Introduction
Methods
Searching
Inclusion criteria
Data analysis
Data extraction
Data synthesis and meta-analysis
Results
Study characteristics
Year | Study description | Equivalence indices | Rigour | |||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Authors and study ID | eMode | D | R | AP | N | Population | Mean age (SD) | eMode comparison | Measure(s) | SMD | Corr | K | Time lag | PC/95 % CIs | ||
Araujo et al. [16] | 2012 | Web/PC | C | Y | N | 21 | Asthma | 29(10) | Paper–web/PC | ACQ, AQLQ | 0.025 | – | – | – | 4 weeks | PC ✓, CI ✓ |
Ashley et al. [17] | 2012 | Web/PC | C | Y | N | 111 | Cancer | 57(13.2) | Paper–web/PC | SDI–21 | 0.006 | 0.89 | – | – | 19 days | Unknown |
Basnov et al. [18] | 2009 | Web/PC | C | Y | N | 41 | Cancer | 47.2(9) | Paper–web/PC | SF–36 | – | 0.77 | – | – | ≈2 weeks | CI ✓ |
Beaumont et al. [19] | 2011 | Web/PC | P | Y | N | 1006 | COPD | 55(11.4) | Paper–web/PC | COPD–PS | 0.012 | 0.82 | – | – | 5–7 days | PC ✓, CI ✓ |
Bennett et al. [20] | 2013 | Web/PC | C* | Y | Y–A | 170 | Cancer | 56(11) | Paper–web/PC | BFI, NRS LASA QOL | – | 0.97 | – | – | Next day | Unknown |
IVRS | Paper–IVRS | 0.89 | ||||||||||||||
Web/PC–IVRS | 0.88 | |||||||||||||||
Bernabe–Ortiz et al. [21] | 2008 | PDA | W | N | N | 200 | Sexual Health | 22.9(3.4) | Paper–PDA | [STD Symptoms] | – | – | – | 0.86 | Immediate | No |
Bernstein et al. [22] | 2013 | Web/PC | W | N | N | 116 | Sexual Health | Paper–web/PC | SHIM | 0.002 | 0.87 | – | – | 1 week | Unknown | |
Bishop et al. [23] | 2010 | Web/PC | C | Y | N | 167 | Back Pain | 46.28 | Paper–web/PC | RMDQ | 0.001 | 0.97 | – | – | Immediate | PC ✓ |
Bushnell et al. [24] | 2012 | Web/PC | C | Y | Y–P | 314 | General | 53(12.5) | Paper–web/PC | ENSEMBLE MDS | – | 0.87 | – | – | 24 hours | Unknown |
Bushnell et al. [25] (a) | 2013 | Web/PC | C | Y | Y–P | 228 | General | 44.3(13.5) | Paper–web/PC | PDHCO | – | 0.90 | – | – | 1 week | Unknown |
Bushnell et al. [26] (b) | 2013 | Web/PC | C | Y | N | 63 | Dermatology | 50.2(13.6) | Paper–web/PC | PSI | 0.023 | 0.96 | – | – | 24 hours | Unknown |
Carlbring et al. [27] | 2007 | Web/PC | C | Y | N | 494 | Panic disorder | 37.6(10.9) | Paper–web/PC | BSQ, ACQ, MI, BAI, | 0.021 | – | 0.90 | – | <36 hours | PC ✓ |
BDI, QOLI, MADRAS | ||||||||||||||||
Chen et al. [28] | 2007 | Web/PC | C | Y | N | 150 | General | 30.8 | Paper–web/PC | SF–36 | 0.013 | – | – | – | 10 minutes | PC ✓, CI ✓ |
Clayer et al. [29] | 2011 | Web/PC | W | N | N | 46 | Cancer | 53.5(13.9) | Paper–web/PC | TESS | 0.005 | 0.97 | – | – | 7 days | CI ✓ |
Coles et al. [30] | 2007 | Web/PC | C | Y | N | 105 | OCD | 19.01(1.41) | Paper–web/PC | OCI, OBQ–44 | 0.027 | – | 0.78 | – | ≈2 days | No |
Cook et al. [31] | 2007 | Tablet | C | Y | N | 80 | Depression | 44.1(11.6) | Paper–Tablet | QIDS–SR16 | 0.007 | 0.99 | – | – | Immediate | CI ✓ |
Cubo et al. [32] | 2012 | Web/PC | C | Y | N | 42 | Parkinson’s | 64.7(9) | Paper–web/PC | PDQ–39, NMSQ, UPDRS | – | 0.82 | – | – | <5 days | PC ✓, CI ✓ |
II, UPDRS IV | ||||||||||||||||
Dalal et al. [33] | 2011 | Web/PC IVRS | C | Y | N | 149 | COPD | 53.1(10) | Paper–web/PC | LFQ | 0.014 | 0.81 | – | – | 1 week | CI ✓ |
Paper–IVRS | 0.005 | 0.93 | ||||||||||||||
Dunn et al. [34] | 2007 | IVRS | W | N | N | 99 | Sexual function | 31 | Paper–IVRS | CSFQ | – | – | 0.91 | – | Unknown | Unknown |
Dupont et al. [35] | 2009 | Tablet | W | Y | N | 56 | Cancer | 54(13) | Paper–Tablet | FACT–G (Social Well–Being Subscale) | 0.035 | – | – | – | 1 minute | PC ✓, CI ✓ |
Gibbons et al. [36] | 2011 | PDA | C | Y | N | 12 | Appetite | 25.6(6.3) | Paper–PDA | VAS | – | – | 0.93 | – | 30 minutes | CI ✓ |
Godfrey et al. [37] | 2013 | Web/PC | C | Y | N | 35 | Shoulder injury | 48 | Paper–web/PC | WORC | 0.016 | 0.89 | – | – | Immediate | PC ✓ |
Griffiths–Jones et al. [38] | 2012 | Web/PC | C | Y | Y–A | 47 | Hip injury | Paper–web/PC | Oxford hip score, | 0.004 | 0.97 | – | – | 1 week | PC ✓, CI ✓ | |
McCarthy hip score, UCLA activity, howRu | ||||||||||||||||
Gudbergsen et al. [39] | 2011 | Tablet | C | Y | N | 20 | Osteoarthritis | 66.5(7) | Paper–Tablet | KOOS, VAS (pain, | 0.024 | 0.95 | – | – | 5 minutes | PC ✓, CI ✓ |
function, global), SF– 36, PainDirect | ||||||||||||||||
Handa et al. [40] | 2008 | Web/PC | C | Y | N | 43 | Gynecology | 52(13) | Paper–web/PC | PFDI–20, PFIQ–7 | – | 0.86 | – | – | <6 weeks | PC ✓, CI ✓ |
Heiberg et al. [41] | 2007 | PDA | C | N | N | 38 | Rheumatology | 58.4(12.9) | Paper–PDA | VAS, SF–36, m–HAQ | 0.010 | – | – | – | 3 weeks | Unknown |
Hollandare et al. [42] | 2010 | Web/PC | C | Y | N | 87 | Depression | 41.1(13) | Paper–web/PC | MADRS–S, BDI–II | 0.012 | – | 0.87 | – | ≈10 days | No |
Hollen et al. [43] | 2013 | PDA | W | N | N | 86 | Cancer | 67 | Paper–PDA | LCSS | – | 0.92 | – | – | 15 minutes | CI ✓ |
Inman et al. [44] | 2012 | Web/PC | W | N | Y–A | 1439 | Rheumatology | 56.5(14) | Paper–web/PC | HAQ–II, Pain, GA, | 0.006 | – | – | – | 6 months | Unknown |
Fatigue | ||||||||||||||||
Jaspan et al. [45] | 2007 | PDA | C | Y | N | 212 | Sexual beh. | 14.5(2.75) | Paper–PDA | Individual items | 0.035 | – | 0.72 | – | 2 weeks | CI ✓ |
Jones et al. [46] | 2008 | Web/PC | P | N | N | 183 | Mental health | 20.1(2.6) | Paper–web/PC | PIQ, LSHS–R | 0.016 | – | – | – | N/A | No |
Juniper et al. [47] | 2007 | PDA | C | Y | N | 70 | Rhino–conjunctivitis | 41 | Paper–PDA | RQLQ | 0.014 | 0.90 | – | – | 2 hours | No |
Juniper et al. [48] | 2009 | PDA | C | Y | N | 68, 27 | Asthma & Rhino– conjunctivitis | 41 | Paper–PDA | AQLQ(S), ACQ, RQLQ(S) | – | 0.89 | 0.89 | – | 2 hours | CI ✓ |
Junker et al. [49] | 2008 | PDA | C | Y | N | 200 | Chronic pain | 57 | Paper–PDA | Average, present, worst pain & PainDetect | 0.026 | – | – | – | <1 day | PC ✓, CI ✓ |
Kajander et al. [50] | 2007 | PDA | W | N | Y–A | 15 | IBS | 42 | Paper–PDA | IBS | 0.008 | 0.96 | – | – | Unknown | CI ✓ |
Koolen et al. [51] | 2011 | Web/PC | C* | Y | N | 156 | Asthma | 11.25(1.9) | Paper–web/PC | C–ACT, ACT | – | 0.83 | – | – | <5 days | PC ✓, CI ✓ |
Lam et al. [52] | 2009 | IVRS | C | Y | N | 64 | IBD | 43.1(13.8) | Paper–IVRS | SIBDQ | 0.013 | – | 0.89 | – | ≈7 days | No |
Lee et al. [53] | 2009 | Tablet | C | Y | N | 261 | Asthma | 40.8(12.1) | Paper–Tablet | A–QOL | – | – | – | 0.85 | Unknown | Unknown |
Luce et al. [54] | 2007 | Web/PC | C* | Y | N | 74 | Eating disorders | 15.4(0.3) | Paper–web/PC | risk for eating disorders | 0.025 | – | – | 0.74 | 1 week | Unknown |
Lundy and Coons [55] | 2011 | IVRS | C | Y | N | 113 | General | 61.5 | Paper–IVRS | EQ–5D index & VAS | 0.018 | 0.89 | – | 0.71 | 3 days | Unknown |
Lundy et al. [56] | 2013 | IVRS | C | Y | N | 139 | Cancer | 61.5 | Paper–IVRS | QLQ–C30 | 0.015 | 0.82 | – | – | 2 days | PC ✓, CI ✓ |
Mackenzie et al. [57] | 2011 | Web/PC | C | Y | N | 56–63 | Psoriatic | 53 | Paper–web/PC | HAQ, SF–36, mFSS, | 0.003 | 0.95 | – | – | Consecutive | CI ✓ |
Arthritis | FACIT–F, DLQI, BASDAI, BASFI, BASG, BASQoL, EQ–5D | |||||||||||||||
Marceau et al. [58] | 2007 | PDA | C | Y | N | 36 | Chronic Pain | 48 (8) | Paper–PDA | Pain diary | 0.020 | 2 weeks | No | |||
Matthew et al. [59] | 2007 | PDA | C* | Y | N | 39–53 | Cancer | 67.2(10.3) | Paper–PDA | IPSS | 0.042 | 0.85 | 30 minutes | No | ||
McCarrier et al. (a) [60] | 2011 | Web/PC | C* | Y | Y–A | 258 | Mental Health | 48.6(13.5) | Paper–web/PC | PHQ– 4 | – | 0.86 | – | – | 1 week | Unknown |
McCarrier et al. (b) [61] | 2011 | Web/PC | C* | Y | Y–P | 256 | General | 48.6(13.5) | Paper–web/PC | MOS–SSS | – | 0.89 | – | – | 1 week | Unknown |
McCarrier et al. [62] | 2013 | Web/PC | C* | Y | Y–P | 230 | Multiple | 44.3(13.5) | Paper–web/PC | DBS | 0.020 | 0.88 | – | – | 24 hours | PC ✓, CI ✓ |
Mundt et al. [63] | 2010 | IVRS | W | N | N | 62 | Mental health | Paper–IVRS | DAS–A | 0.019 | 0.87 | 0.89 | – | 24 hours | Unknown | |
Parnell et al. [64] | 2011 | Web/PC | C | Y | N | 50 | Pelvic floor | 50.4(11.6) | Paper–web/PC | PISQ–12 | 0.008 | 0.88 | – | – | 2 weeks | PC ✓, CI ✓ |
Raat et al. (a) [65] | 2007 | Web/PC | P | Y | N | 933 | Child health | 14.7(0.68) | Paper–web/PC | CHQ | 0.010 | – | – | – | – | Unknown |
Raat et al. (b) [66] | 2007 | Web/PC | P | Y | N | 933 | Asthma | 14.7(0.68) | Paper–web/PC | ISAAC | 0.008 | – | – | – | N/A | PC ✓ |
Ramachandran et al. [67] | 2008 | Tablet | C | Y | N | 314 | General | 35.5(14) | Paper–Tablet | EQ VAS | 0.014 | 0.75 | – | – | Unknown | Unknown |
Read et al. [68] | 2009 | Web/PC | C | N | N | 38 | Trauma | 19.6(1.5) | Paper–web/PC | TLEQ, PCL–C | 0.058 | – | 0.69 | – | 1 week | No |
Richardson et al. [69] | 2009 | Web/PC | P | N | N | 354 | Smoking Dx | 16(1.55) | Paper–web/PC | Social and emotional dependence, physical and sensory | 0.052 | – | – | – | N/A | No |
Richter et al. [70] | 2008 | Tablet | C | Y | N | 153 | Rheumatology | 45.7(14.4) | Paper–Tablet | FFbH. HAQ. BASDAI, SF–36 | 0.001 | – | 0.97 | – | Unknown | Unknown |
Salaffi et al. [71] | 2009 | Tablet | C | Y | N | 87 | Rheumatology | 65 | Paper–Tablet | VAS–GH/Pain/PGA, ROAD, TJC | 0.008 | 0.92 | – | – | 60 minutes | CI ✓ |
Saunders et al. [72] | 2007 | Web/PC | C* | N | N | 50 | Hearing loss | 65.6(8.9) | Paper–web/PC | ALHQ | – | – | 0.74 | – | 9–10 days | CI ✓ |
Shervin et al. [73] | 2011 | Web/PC | W | N | N | 61 | Osteoarthritisa
| 63 | Paper–web/PC | The Harris hip score, | 0.017 | – | 0.85 | – | Immediate | PC ✓ |
Tablet | Others | Paper–Tablet | WOMAC, SF–36, EQ– | 0.005 | 0.84 | |||||||||||
Tablet–web/PC | 5D, UCLA activity score | 0.013 | 0.90 | |||||||||||||
Swartz et al. [74] | 2007 | PDA | C | Y | N | 756 | Mental Health | 55(13) | Paper–PDA | CES–D | 0.023 | – | – | – | Immediate | Unknown |
Thoren et al. [75] | 2012 | Web/PC | C | Y | N | 53 | Hearing loss | 68.3(11.3) | Paper–web/PC | HHIE, IOI–HA, SADL, HADS | 0.016 | – | 0.73 | – | 3 weeks | No |
Tiplady et al. [76] | 2010 | PDA | C | Y | N | 43 | Rheumatoid Arthritis | 57 | Paper–PDA | HAQ–DI, EQ–5D, BPI, MPQ–SF, FACIT–F, SF–36, SARA | 0.009 | 0.88 | – | – | 1 hour | CI ✓ |
Turvey et al. [77] | 2012 | IVRS | W | N | N | 51 | Mental Health | 68(8) | Paper–IVRS | PHQ–9 | 0.036 | 0.65 | – | – | 1 week | No |
Vallejo et al. [78] | 2007 | Web/PC | W | N | N | 185 | Mental Health | 27.4(10.0) | Paper–web/PC | GHQ–28, SCL–90–R | 0.020 | – | 0.69 | – | ≈17 days | No |
Vallejo et al. [79] | 2008 | Web/PC | C | Y | N | 40 | Mental Health | 22.2 | Paper–web/PC | GHQ–28, SCL–90 (Spanish) | – | – | 0.84 | – | <1 week | No |
Varni et al. [80] | 2008 | Web/PC | C | Y | N | 92 | Diabetes | 13.2(3.42) | Paper–web/PC | PedsQL 4.0 | 0.007 | 0.89 | <5 minutes | No | ||
Vinney et al. [81] | 2011 | PDA | C | Y | N | 19 | Speech | 9.58(1.22) | Paper–PDA | PedsQL 4.0. | 0.008 | 0.86 | – | – | 3 weeks | PC ✓ |
Whitehead et al. [82] | 2011 | Web/PC | P | Y | N | 1034 | Mental Health | 24.07(8.5) | Paper–web/PC | HADS, SF–36v2, FSI and Fatigue item | 0.012 | – | – | – | N/A | CI ✓ |
Wijndaele et al. [83] | 2007 | Web/PC | W | N | N | 130 | Mental health | 46.5 | Paper–web/PC | GHQ–12, SCL–90–R, MOS–SSS, PSS, UCL | – | 0.76 | – | – | 1 week | No |
Wu et al. [84] | 2009 | Web/PC | C | Y | N | 34 | Heart failure | 49(14.2) | Paper–web/PC | KCCQ, MLHFQ, SCHFI | 0.027 | – | – | – | 2 weeks | CI ✓ |
Young et al. [85] | 2009 | Web/PC | C | Y | N | 69 | Child health | 11(1.55) | Paper–web/PC | ASK, PedsQL | 0.013 | 0.81 | – | – | 2 weeks | CI ✓ |
Yu and Yu, 2007 [86] | 2007 | Web/PC | P | Y | N | 1171 | Mental health | Paper–web/PC | CES–D Chinese | 0.019 | – | – | – | N/A | No | |
Zimmerman & Martinez [87] | 2012 | Web/PC | W | N | N | 53 | Mental health | 45.1(12.3) | Paper–web/PC | CUDOS | 0.009 | 0.96 | – | – | <2 days | No |
Overall relationship between paper and electronic assessments
Mean differences
Correlations
Analysis of moderator variables
Mean differences
Study characteristic |
N = 307 | |
---|---|---|
N | Mean difference (95 % CI) | |
Year of publication | ||
2007 | 98 | 0.051 (0.040–0.062) |
2008–2010 | 76 | 0.022 (0.011–0.033) |
2011 | 69 | 0.031 (0.020–0.041) |
2012–2013 | 64 | 0.047 (0.035–0.058) |
p < 0.001 | ||
2007–2010 | 174 | 0.036 (0.028–0.043) |
2011–2013 | 133 | 0.038 (0.030–0.045) |
p = 0.709 | ||
Study design | ||
Randomized cross over | 232 | 0.030 (0.023–0.036) |
Non–randomised crossover | 12 | 0.033 (−0.003–0.068) |
Within–patient study | 40 | 0.099 (0.077–0.122) |
Parallel group study | 23 | 0.046 (0.033–0.060) |
p < 0.001 | ||
Randomiseda
| 256 | 0.034 (0.028–0.040) |
Not randomised | 51 | 0.065 (0.046–0.084) |
p = 0.002 | ||
Platform | ||
Paper vs IVRS | 40 | 0.053 (0.038–0.069) |
Paper vs PDA | 60 | 0.106 (0.070–0.142) |
Paper vs Web/PC | 152 | 0.038 (0.031–0.045) |
Paper vs Tablet/touch screen | 51 | 0.020 (0.009–0.031) |
Tablet/touch vs Web/PC | 4 | 0.044 (−0.113–0.221) |
p < 0.001 | ||
Time interval | ||
0 (<1 day) | 159 | 0.036 (0.028–0.044) |
1 (1–5 days) | 61 | 0.034 (0.024–0.044) |
2 (6–14 days) | 50 | 0.036 (0.022–0.051) |
3 (15+ days) | 37 | 0.051 (0.032–0.069) |
p = 0.460 | ||
0 (<1 day) | 159 | 0.036 (0.028–0.044) |
1 (1–9 days) | 85 | 0.033 (0.025–0.041) |
2 (10+ days) | 63 | 0.055 (0.038–0.072) |
p = 0.077 | ||
Mean age of participantsb
| ||
<28 years | 86 | 0.064 (0.051–0.077) |
28–46.9 years | 37 | 0.019 (0.009–0.029) |
47–55.9 years | 51 | 0.028 (0.017–0.039) |
56+ years | 125 | 0.049 (0.038–0.061) |
p < 0.001 | ||
Sample size | ||
≤56 | 114 | 0.071 (0.055–0.087) |
57–116 | 94 | 0.024 (0.014–0.035) |
>116 | 99 | 0.036 (0.029–0.043) |
p < 0.001 | ||
Publication type | ||
Abstract/poster | 3 | 0.071 (−0.016–0.158) |
Full text publication | 304 | 0.037 (0.031–0.042) |
p = 0.436 |
Correlations
Study characteristic |
N = 61 |
N = 435 | ||
---|---|---|---|---|
N | Correlation (95 % CI) | N | Correlation (95 % CI) | |
Year of publication | ||||
2007 | 12 | 0.854 (0.839–0.867) | 128 | 0.835 (0.830–0.840) |
2008–2010 | 17 | 0.879 (0.868–0.890) | 98 | 0.873 (0.869–0.877) |
2011 | 15 | 0.876 (0.864–0.888) | 128 | 0.891 (0.886–0.896) |
2012–2013 | 17 | 0.895 (0.886–0.904) | 81 | 0.877 (0.873–0.882) |
p < 0.001 |
p < 0.001 | |||
2007–2010 | 29 | 0.868 (0.859–0.876) | 226 | 0.852 (0.849–0.856) |
2011–2013 | 32 | 0.888 (0.881–0.895) | 209 | 0.883 (0.880–0.886) |
p < 0.001 |
p < 0.001 | |||
Study design | ||||
Randomized cross over | 44 | 0.884 (0.878–0.889) | 287 | 0.876 (0.874–0.879) |
Non–randomised cross over | 3 | 0.825 (0.775–0.865) | 22 | 0.825 (0.807–0.841) |
Within–patient study | 14 | 0.858 (0.842–0.873) | 126 | 0.828 (0.822–0.833) |
p < 0.001 |
p < 0.001 | |||
Randomiseda
| 45 | 0.884 (0.878–0.889) | 293 | 0.876 (0.874–0.879) |
Not randomised | 16 | 0.853 (0.837–0.867) | 142 | 0.826 (0.820–0.831) |
p < 0.001 |
p < 0.001 | |||
Platform | ||||
Paper vs IVRS | 8 | 0.845 (0.824–0.864) | 54 | 0.844 (0.836–0.850) |
Paper vs PDA | 10 | 0.851 (0.830–0.859) | 69 | 0.851 (0.844–0.859) |
Paper vs Web/PC | 34 | 0.886 (0.879–0.893) | 197 | 0.863 (0.859–0.866) |
Paper vs Tablet/touch screen | 7 | 0.890 (0.876–0.902) | 91 | 0.877 (0.872–0.881) |
Web/PC vs IVRS | 1 | 0.880 (0.841–0.910) | 2 | 0.917 (0.898–0.932) |
Tablet/touch vs Web/PC | 1 | 0.899 (0.837–0.938) | 22 | 0.917 (0.908–0.926) |
p < 0.001 |
p < 0.001 | |||
Time interval | ||||
0 (<1 day) | 22 | 0.901 (0.892–0.909) | 223 | 0.890 (0.887–0.893) |
1 (1–5 days) | 13 | 0.891 (0.882–0.900) | 83 | 0.877 (0.874–0.881) |
2 (6–14 days) | 19 | 0.852 (0.840–0.864) | 91 | 0.813 (0.805–0.819) |
3 (15+ days) | 7 | 0.820 (0.791–0.845) | 38 | 0.779 (0.767–0.791) |
p < 0.001 |
p < 0.001 | |||
0 (<1 day) | 22 | 0.901 (0.892–0.909) | 223 | 0.890 (0.887–0.893) |
1 (1–9 days) | 26 | 0.881 (0.873–0.888) | 148 | 0.862 (0.859–0.866) |
2 (10+ days) | 13 | 0.819 (0.799–0.837) | 64 | 0.790 (0.781–0.798) |
p < 0.001 |
p < 0.001 | |||
Mean age of participantsb
| ||||
<28 years | 12 | 0.794 (0.772–0.814) | 80 | 0.789 (0.781–0.796) |
28–46.9 years | 15 | 0.896 (0.888–0.904) | 98 | 0.875 (0.871–0.878) |
47–55.9 years | 12 | 0.889 (0.878–0.900) | 103 | 0.877 (0.873–0.881) |
56+ years | 18 | 0.880 (0.868–0.891) | 141 | 0.886 (0.881–0.891) |
p < 0.001 |
p < 0.001 | |||
Sample size | ||||
≤56 | 20 | 0.881 (0.863–0.896) | 126 | 0.885 (0.878–0.891) |
57–116 | 21 | 0.881 (0.870–0.891) | 184 | 0.866 (0.862–0.870) |
>116 | 20 | 0.887 (0.870–0.884) | 125 | 0.861 (0.858–0.864) |
p = 0.817 |
p < 0.001 | |||
Publication type | ||||
Abstract/poster | 10 | 0.898 (0.889–0.906) | 26 | 0.905 (0.900–0.910) |
Full text publication | 51 | 0.870 (0.864–0.877) | 409 | 0.859 (0.856–0.861) |
p < 0.001 |
p < 0.001 |