Introduction
Methods
Search strategy and selection studies
Data extraction and quality assessment
Statistical analysis
Results
Literature inclusion and data extraction
First author [Ref] | Year | Country | Disease | LIS | Numbers | Cutoff value (B-line) | Probe frequency (MHz) | Probe type | True positive | False positive | False negative | True negative | Study quality | |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ILD (+) | ILD (−) | |||||||||||||
Delle [32] | 2010 | Italy | SSc | 65 | 16 | 11 | 5 | 2.5–3.5; 6–12 | 2.5–3.5 (cardiac sector probe); 6–12 (linear probe) | 12 | 2 | 4 | 9 | 7 |
Tardella [10] | 2012 | Italy | CTD | 50 | 26 | 8 | 10 | 2–7 | Broadband convex multi-frequency transducer | 20 | 0 | 6 | 8 | 13 |
Barskova [24] | 2013 | Italy | SSc | 72 | 36 | 22 | 5 | 2.5–3.5 | Cardiac sector transducer | 36 | 10 | 0 | 12 | 13 |
Mohammadi [33] | 2014 | USA | SSc | 10 | 53 | 17 | 5 | 7–10 | Broadband linear multi-frequency transducer | 39 | 2 | 14 | 15 | 11 |
Moazedi-Fuerst [34] | 2014 | Austria | RA | All | 17 | 47 | – | 3.5 | Convex transducer | 16 | 2 | 1 | 45 | 11 |
Cogliati [7] | 2014 | Italy | RA | 72 | 13 | 26 | 10 | 5–2 | Convex probe | 12 | 13 | 1 | 13 | 13 |
Moazedi-Fuerst(a) [23] | 2015 | Austria | RA | All | 7 | 18 | – | 3.5 | Convex transducer | 7 | 1 | 0 | 17 | 10 |
Moazedi-Fuerst(b) [23] | 2015 | Austria | SSc | All | 9 | 5 | – | 3.5 | Convex transducer | 9 | 2 | 0 | 3 | 10 |
Moazedi-Fuerst(c) [23] | 2015 | Austria | SLE | All | 4 | 2 | – | 3.5 | Convex transducer | 4 | 0 | 0 | 2 | 10 |
Vizioli [35] | 2016 | Italy | ILD | All | 25 | 24 | 5 | 5–8; 2–5 | 5–8 (linear probe); 2–5 (convex probe) | 23 | 7 | 2 | 17 | 14 |
Cakir [29] | 2016 | Turkey | SSc | 14 | 29 | 19 | 5 | 5–10 | Linear probe | 29 | 3 | 0 | 16 | 11 |
Vasco [8] | 2017 | Spain | SS | All | 4 | 9 | 3 | 2–5.5; 3.3–10 | 2–5.5 (60-mm-wide-band convex array probe); 3.3–10 (linear array) | 4 | 1 | 0 | 8 | 14 |
Tardella [9] | 2018 | Italy | SSc | 14 | 27 | 13 | 10 | 4–13 | Broadband linear transducer | 26 | 1 | 1 | 12 | 14 |
First author [Ref] | Numbers | Mean age (range) years ± standard deviation | Mean disease duration (months, years) | Spend time (min) | Number of LUS operator | Reproducibility between operator | |
---|---|---|---|---|---|---|---|
Female | Male | ||||||
Delle [32] | 22 | 3 | 53 ± 10.5 | – | – | 2 | Intra-class correlation = 0.681 |
Tardella [10] | 30 | 4 | 57 ± 13 | 85.58 ± 84.37 months | 23 ± 4.5 | 2 | Kappa = 0.846–0.980 |
Barskova [24] | 54 | 4 | 51 ± 14 | – | < 10 | 2 | Intra-observer variability 5.1%, inter-observer variability 7.4% |
Mohammadi [33] | 62 | 8 | 50.29 ± 9.7 | 88 ± 83.1 months | – | 1 | Kappa = 0.838 |
Moazedi-Fuerst [34] | 54 | 10 | 59 ± 12 | 9.4 (2–21) years | – | 2 | Kappa = 0.92 |
Cogliati [7] | 29 | 10 | 64.87 | 11.21 years | – | 2 | Kappa = 0.78 |
Moazedi-Fuerst [23] | 38 | 7 | 54 (28–74) | 8 (1–35) years | – | 2 | – |
Vizioli [35] | – | – | 65 ± 13 | 8 ± 1 (5–14) | – | ||
Cakir [29] | 46 | 2 | 50.8 ± 11.9 | 4.6 ± 3.8 years | – | 2 | Inter-observer reliability r = 0.96 |
Vasco [8] | 13 | 0 | 63.62 (39–88) | – | – | 2 | Intra-rater reliability k = 1 |
Tardella [9] | 34 | 6 | 56.4 ± 13.42 | 78 ± 81.52 months | 8.7 ± 1.3 | 2 | – |
First author [Ref] | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | Sum |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Delle [32] | Y | U | Y | U | Y | Y | Y | N | N | Y | U | Y | U | U | 7 |
Tardella [10] | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | U | Y | 13 |
Barskova [24] | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | U | Y | Y | Y | 13 |
Mohammadi [33] | Y | U | Y | U | Y | Y | Y | Y | Y | Y | Y | Y | U | Y | 11 |
Moazedi-Fuerst [34] | Y | Y | Y | U | Y | Y | Y | Y | N | Y | U | Y | Y | Y | 11 |
Cogliati [7] | Y | Y | Y | U | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | 13 |
Moazedi-Fuerst [23] | Y | N | Y | U | Y | Y | Y | Y | N | Y | U | Y | Y | Y | 10 |
Vizioli [35] | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | 14 |
Cakir [29] | Y | Y | Y | Y | Y | Y | Y | Y | Y | U | U | Y | N | Y | 11 |
Vasco [8] | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | 14 |
Tardella [9] | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | 14 |
Diagnostic accuracy of LUS in different LIS
Different LIS | Study no. | Number | Sensitivity (95% CI) | Heterogeneity | Specificity (95% CI) | Heterogeneity | PLR (95% CI) | NLR (95% CI) | DOR (95% CI) | AUC (SE) | Q* (SE) | |||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ILD (+) | ILD (−) |
I
2
| p value |
I
2
| p value | |||||||||
Total | 11 | 266 | 221 | 0.859 (0.812–0.898) | 62.8 | 0.001 | 0.839 (0.782–0.886) | 68.1 | 0 | 5.412 (3.026–9.680) | 0.176 (0.111–0.279) | 43.16 (22.58–82.52) | 0.934 (0.017) | 0.871 (0.021) |
All | 4 | 68 | 105 | 0.955 (0.873–0.991) | 0 | 0.721 | 0.876 (0.798–0.932) | 59.6 | 0 | 5.476 (2.597–11.55) | 0.086 (0.035–0.211) | 59.76 (21.05–1525.8) | 0.975 (0.016) | 0.927 (0.027) |
72 | 2 | 49 | 48 | 0.814 (0.691–0.903) | 35.0 | 0.215 | 0.358 (0.486–0.804) | 92.2 | 0 | 3.367 (1.810–6.621) | 0.208 (0.110–0.396) | 25.57 (5.183–146.7) | – | – |
65 | 1 | 16 | 11 | 0.75 (0.48–0.93) | – | – | 0.82 (0.48–0.98) | – | – | 4.13 (1.14–14.91) | 0.31 (0.13–0.75) | 13.50 (2.01–90.69) | – | – |
50 | 1 | 26 | 8 | 1.000 (0.398–1.000) | – | – | 1.000 (0.158–1.000) | – | – | 5.400 (0.423–68.96) | 0.120 (0.008–1.746) | 45.00 (0.666–3042.6) | – | – |
14 | 2 | 56 | 32 | 0.982 (0.904–1.000) | 32.4 | 0.224 | 0.875 (0.710–0.965) | 0 | 0.485 | 7.297 (3.050–17.45) | 0.029 (0.006–0.147) | 292.30 (35.53–2403.8) | – | – |
10 | 1 | 53 | 17 | 0.736 (0.597–0.847) | – | – | 0.882 (0.636–0.985) | – | – | 6.255 (1.685–23.223) | 0.299 (0.185–0.485) | 20.893 (4.232–103.15) | – | – |
Diagnostic value of LUS in different diseases
Disease | Study no. | Numbers | Sensitivity (95% CI) | Heterogeneity | Specificity (95% CI) | Heterogeneity | PLR (95% CI) | NLR (95% CI) | DOR (95% CI) | AUC (SE) | Q* (SE) | |||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ILD (+) | ILD (−) |
I
2
| p value |
I
2
| p value | |||||||||
SSc | 6 | 170 | 87 | 0.839 (0.777–0.889) | 78.3 | 0 | 0.870 (0.774–0.936) | 21.4 | 0.272 | 6.203 (3.565–10.800) | 0.191 (0.098–0.373) | 42.93 (17.75–103.79) | 0.929 (0.024) | 0.864 (0.029) |
RA | 3 | 37 | 91 | 0.946 (0.818–0.993) | 0 | 0.636 | 0.824 (0.730–0.896) | 91.8 | 0 | 7.398 (0.768–74.220) | 0.082 (0.024–0.275) | 80.24 (8.107–796.09) | 0.9810 (0.014) | 0.939 (0.027) |