Introduction
Methods
Study design
Study population
Clinical data
Device-collected data
Statistical analyses
Results
SDB group comparisons
Total n = 177 (100%) | CSA group n = 105 (59.3%) | OSA group n = 36 (20.3%) | TECSA group n = 36 (20.3%) | P | |
---|---|---|---|---|---|
Fixed EPAP (cmH2O)b | n = 121 | n = 76 | n = 22 | n = 23 | |
6.00 | 5.50 | 6.00 | 7.00 | 0.458 | |
[5.00–9.00] | [5.00–9.00] | [5.00–8.00] | [5.00–10.00] | ||
(4.00–14.00) | (4.00–14.00) | (4.00–12.00) | (4.00–14.00) | ||
Auto-EPAP (cmH2O)b | n = 56 | n = 29 | n = 14 | n = 13 | |
EPAPmin | 4.00 | 4.00 | 5.00 | 5.00 | 0.143 |
[4.00–5.50] | [5.00–5.00] | [4.00–6.00] | [4.00–5.00] | ||
(4.00–13.00) | (4.00–13.00) | (4.00–8.00) | (4.00–10.00) | ||
EPAPmax | 10 | 10 | 10 | 9 | 0.176 |
[8.00–12.00] | [8.00–10.00] | [10.00–12.00] | [7.00–12.00] | ||
(3.00–18.00) | (5.00–15.00) | (5.00–15.00) | (3.00–18.00) | ||
IPS (cmH2O)b | n = 176 | n = 104 | n = 36 | n = 36 | |
IPSmin | 3.00 | 3.00 | 3.00 | 3.00 | 0.284 |
[0.00–3.00] | [3.00–3.00] | [0.00–5.00] | [0.00–3.00] | ||
(0.00–15.00) | (0.00–15.00) | (0.00–13.00) | (0.00–7.50) | ||
IPSmax | 10 | 10 | 10 | 10 | 0.400 |
[9.00–10.00] | [10.00–10.00] | [8.00–11.00] | [8.50–10.00] | ||
(3.00–20.00) | (6.00–20.00) | (3.00–17.00) | (5.00–15.00) | ||
Pmax (cmH2O)b | n = 129 | n = 76 | n = 27 | n = 26 | |
19 | 19 | 17 | 19.5 | 0.317 | |
[16.00–21.00] | [16.00–21.00] | [14.00–20.00] | [18.00–22.00] | ||
(11.00–25.00) | (12.00–25.00) | (12.00–25.00) | (11–25.00) | ||
Fixed backup RRb (cycle/min) | n = 39 | n = 25 | n = 8 | n = 6 | |
12 | 12 | 11.5 | 11.5 | 0.458 | |
[11.00–12.00] | [12.00–12.00] | [10.00–12.50] | [10.00–12.00] | ||
(8.00–16.00) | (8.00–14.00) | (10.00–16.00) | (10.00–22.00) | ||
Auto backup RRb | n = 174 | n = 104 | n = 35 | n = 35 | 0.697 |
135 (77.59%) | 79 (75.96%) | 27 (77.14%) | 29 (82.86%) | ||
Slope levelc | n = 42 | n = 24 | n = 9 | n = 9 | |
2 | 2 | 2 | 2 | 0.951 | |
[2.00–3.00] | [2.00–3.00] | [2.00–3.00] | [2.00–3.00] | ||
(1.00–6.00) | (1.00–6.00) | (1.00–3.00) | (1.00–3.00) | ||
Ti minc (second) | n = 38 | n = 25 | n = 7 | n = 6 | |
1.65 | 1.70 | 1.70 | 1.70 | 0.929 | |
[1.40–1.80] | [1.40–1.80] | [1.50–1.80] | [1.20–1.80] | ||
(1.00–2.20) | (1.00–2.20) | (1.00–2.00) | (1.20–2.10) | ||
Interface | n = 177 | n = 105 | n = 36 | n = 36 | |
Oronasal | 89 (50.28%) | 53 (50.48%) | 13 (36.11%) | 23 (63.89%) | 0.062 |
Nasal | 81 (45.76%) | 49 (46.67%) | 20 (55.56%) | 12 (33.33%) | 0.160 |
Nasal Pillows | 9 (5.08%) | 4 (3.81%) | 4 (11.11%) | 1 (2.78%) | 0.254 |
Heated humidifier | n = 177 | n = 105 | n = 36 | n = 36 | |
127 (71.75%) | 70 (66.67%) | 27 (75.00%) | 30 (83.33%) | 0.142 | |
Heated breathing tube | n = 177 | n = 105 | n = 36 | n = 36 | |
47 (26.55%) | 20 (19.05%)a | 18 (50.00%)a | 9 (25.00%) | 0.001 |
Total n = 177 (100%) | CSA group n = 105 (59.3%) | OSA group n = 36 (20.3%) | TECSA group n = 36 (20.3%) | P | |
---|---|---|---|---|---|
Philips Respironics® | n = 68 | n = 36 | n = 18 | n = 14 | 0.156 |
Mean MV (l/min)* | 7.95 | 7.85 | 8.20 | 7.85 | |
ASV flow-monitored devices. | [7.20–9.30] | [7.20–8.95] | [7.50–10.40] | [6.20–9.60] | |
(4.90–14.80) | (4.90–11.70) | (5.80–14.80) | (5.10–11.20) | ||
ResMed® | n = 107 | n = 68 | n = 18 | n = 21 | 0.258 |
Median MV (l/min)* | 6.90 | 7.00 | 6.50 | 6.60 | |
ASV volume-monitored devices. | [6.00–7.80] | [6.30–7.75] | [5.80–7.50] | [5.90–8.50] | |
(2.50–11.40) | (3.60–11.40) | (2.50–10.10) | (3.80–10.40) |
K-means cluster comparisons
Total n = 177 (100%) | Cluster 1 n = 53 (29.9%) | Cluster 2 n = 58 (32.7%) | Cluster 3 n = 33 (18.6%) | Cluster 4 n = 20 (11.3%) | Cluster 5 n = 13 (7.3%) | P | |
---|---|---|---|---|---|---|---|
Fixed EPAPk (cmH2O) | n = 121 | n = 39 | n = 46 | n = 12 | n = 15 | n = 9 | |
6.00 | 8.00 e, i | 5.00 b, e, j, | 6.50 j | 8.00 b, d | 5.00 d, i | < 0.001 | |
[5.00–9.00] | [5.00–10.00] | [4.00–6.00] | [5.00–9.00] | [6.00–12.00] | [5.00–6.00] | ||
(4.00–14.00) | (4.00–14.00) | (4.00–13.00) | (4.00–12.00) | (4.00–14.00) | (4.00–7.00) | ||
Auto-EPAP (cmH2O)k | n = 56 | n = 14 | n = 12 | n = 21 | n = 5 | n = 4 | |
EPAPmin | 4.00 | 4.50 | 4.00 | 4.00 | 4.00 | 5.00 | 0.529 |
[4.00–5.50] | [4.00–6.00] | [4.00–4.50] | [4.00–6.00] | [4.00–5.00] | [4.50–6.50] | ||
(4.00–13.00) | (4.00–13.00) | (4.00–7.00) | (4.00–10.00) | (4.00–8.00) | (4.00–8.00) | ||
EPAPmax | 10 | 10 | 10 | 10 | 9 | 7 | 0.211 |
[8.00–12.00] | [8.00–12.00] | [8.00–10.00] | [9.00–12.00] | [8.00–10.00] | [6.00–9.50] | ||
(3.00–18.00) | (3.00–15.00) | (5.00–10.00) | (5.00–18.00) | (8.00–12.00) | (5.00–12.00) | ||
IPS (cmH2O)k | n = 176 | n = 53 | n = 57 | n = 33 | n = 20 | n = 13 | |
IPSmin | 3.00 | 3.00 e | 3.00 e, j | 0.00 j | 3.00 | 3.00 | < 0.001 |
[0.00–3.00] | [3.00–3.00] | [3.00–6.50] | [0.00–3.00] | [0.00–3.00] | [3.00–4.00] | ||
(0.00–15.00) | (0.00–7.5.00) | (0.00–15.00) | (0.00–8.00) | (0.00–10.00) | (0.00–10.00) | ||
IPSmax | 10 | 10 | 10 | 10 | 10 | 10 | 0.063 |
[9.00–10.00] | [10.00–10.00] | [10.00–12.00] | [10.00–11.00] | [8.00–10.00] | [8.00–10.00] | ||
(3.00–20.00) | (5.00–15.00) | (3.00–20.00) | (5.00–15.00) | (5.00–15.00) | (5.00–13.00) | ||
Pmax (cmH2O)k | n = 129 | n = 42 | n = 37 | n = 28 | n = 15 | n = 7 | |
19 | 19 | 19 | 20.00 | 18.00 | 17.00 | 0.912 | |
[16.00–21.00] | [17.00–21.00] | [15.00–22.00] | [15.00–23.50] | [15.00–20.00] | [13.00–20.00] | ||
(11.00–25.00) | (12.00–25.00) | (12.00–25.00) | (11.00–25.00) | (14.00–25.00) | (12.00–25.00) | ||
Fixed backup RRk (cycle/min) | n = 39 | n = 5 | n = 25 | n = 3 | n = 2 | n = 4 | |
12 | 12 | 11.5 | 11.5 | 11.5 | 11.5 | 0.856 | |
[11.00–12.00] | [12.00–12.00] | [10.00–12.50] | [10.00–12.00] | [10.00–12.00] | [10.00–12.00] | ||
(8.00–16.00) | (8.00–14.00) | (10.00–16.00) | (10.00–22.00) | (10.00–22.00) | (10.00–22.00) | ||
Auto backup RRk | n = 174 | n = 52 | n = 57 | n = 33 | n = 20 | n = 12 | |
135 (77.59%) | 47(90.38%) e | 32 (56.14%) e, j | 30 (90.91%) j | 18 (90.00%) | 8 (66.67%) | < 0.001 | |
Slope levell | n = 42 | n = 5 | n = 26 | n = 3 | n = 3 | n = 5 | |
2 | 2 | 2 | 1 | 3 | 3 | 0.146 | |
[2.00–3.00] | [1.00–2.00] | [2.00–3.00] | [1.00–2.00] | [2.00–3.00] | [2.00–3.00] | ||
(1.00–6.00) | (1.00–3.00) | (1.00–6.00) | (1.00–2.00) | (2.00–3.00) | (2.00–3.00) | ||
Ti minl (second) | n = 38 | n = 5 | n = 24 | n = 3 | n = 2 | n = 4 | |
1.65 | 1.60 | 1.70 | 1.50 | 1.45 | 1.60 | 0.736 | |
[1.40–1.80] | [1.40–1.80] | [1.40–1.90] | [1.00–1.60] | [1.20–1.70] | [1.35–1.85] | ||
(1.00–2.20) | (1.00–2.10) | (1.00–2.20) | (1.00–1.60) | (1.20–1.70) | (1.20–2.00) | ||
Interface | n = 177 | n = 53 | n = 58 | n = 33 | n = 20 | n = 135 | |
Oronasal | 89 (50.28%) | 29 (54.72%) | 27 (46.55%) | 16 (48.48%) | 12 (60.00%) | (38.46%) | 0.687 |
Nasal | 81 (45.76%) | 23 (43.40%) | 29 (50.00%) | 15 (45.45%) | 6 (30.00%) | 8 (61.54%) | 0.427 |
Nasal Pillows | 9 (5.08%) | 1 (1.89%) | 4 (6.9%) | 2 (6.06%) | 2 (10%) | 0 (0.00%) | 0.492 |
Heated humidifier | n = 177 | n = 53 | n = 58 | n = 33 | n = 20 | n = 13 | |
127 (71.75) | 43 (81.13) | 34 (58.62) | 26 (78.79) | 15 (75.00) | 9 (69.23) | 0.092 | |
Heated breathing tube | n = 177 | n = 53 | n = 58 | n = 33 | n = 20 | n = 13 | |
47 (26.55) | 14 (26.42) f | 8 (13.79) j | 19 (57.58) f, j, h | 5 (25.00) | 1 (7.69) h | < 0.001 |
Total n = 177 (100%) | Cluster 1 n = 53 (29.9%) | Cluster 2 n = 58 (32.7%) | Cluster 3 n = 33 (18.6%) | Cluster 4 n = 20 (11.3%) | Cluster 5 n = 13 (7.3%) | P | |
---|---|---|---|---|---|---|---|
Philips Respironics® | n = 68 | n = 12 | n = 30 | n = 13 | n = 7 | n = 6 | 0.002 |
Mean MV (l/min)* | 7.95 | 7.85 i | 8.30 b | 7.90 | 6.20 b, d | 10.45 d, i | |
ASV flow-monitored devices. | [7.20–9.30] | [6.65–8.25] | [7.30–9.30] | [7.30–8.90] | [5.30–7.80] | [9.90–11.20] | |
(4.90–14.80) | (5.10–10.80) | (6.40–11.70) | (5.80–14.80) | (4.90–7.80) | (8.30–11.30) | ||
ResMed® | n = 107 | n = 39 | n = 28 | n = 20 | n = 13 | n = 7 | < 0.001 |
Median MV (l/min)* | 6.90 | 7.30 a | 6.85 b | 7.00 c | 5.50 a, b, c | 6.60 | |
ASV volume-monitored devices. | [6.00–7.80] | [6.60–8.30] | [6.35–7.65] | [6.00–7.45] | [5.00–5.90] | [5.10–7.80] | |
(2.50–11.40) | (5.40–10.30) | (2.50–11.40) | (4.60–10.60) | (3.60–6.90) | (3.80–9.80) |