Table 2.
Intra-class correlation coefficient between Somno-Art Software and PSG visual scoring
| Subdivided in healthy and pathologies | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| All (n = 246) | Healthy (n = 26) | Pathologies (n = 220) | ||||||||||
| PSG (mean ± SD) | Somno-Art (mean ± SD) | ICC95%AAAvg (LowB) | PSG (mean ± SD) | Somno-Art (mean ± SD) | ICC95%AAAvg (LowB) | PSG (mean ± SD) | Somno-Art (mean ± SD) | ICC95%AAAvg (LowB) | ||||
| TST (min) | 368.5 ± 72.8 | 378.6 ± 69 | 0.91 | (0.88) | 434.9 ± 26.2 | 426.9 ± 25.6 | 0.88 | (0.59) | 360.6 ± 72.6 | 372.9 ± 70.3 | 0.91 | (0.87) |
| SE (%) | 76.6 ± 14.5 | 78.7 ± 13.3 | 0.90 | (0.87) | 90.7 ± 5.5 | 89 ± 5.4 | 0.88 | (0.60) | 75 ± 14.4 | 77.5 ± 13.5 | 0.89 | (0.85) |
| WASO (min) | 73.6 ± 49.8 | 65.9 ± 42 | 0.84 | (0.79) | 33.3 ± 20.9 | 41.7 ± 23.8 | 0.87 | (0.58) | 78.4 ± 50 | 68.8 ± 42.8 | 0.82 | (0.76) |
| SL (min) | 37.5 ± 37.4 | 35 ± 39.2 | 0.92 | (0.89) | 11.4 ± 10.4 | 11.1 ± 7.6 | 0.94 | (0.86) | 40.6 ± 38.2 | 37.8 ± 40.5 | 0.90 | (0.87) |
| LPS (min) | 48.1 ± 41.4 | 35.8 ± 39.4 | 0.88 | (0.76) | 15.7 ± 13.5 | 11.3 ± 7.7 | 0.81 | (0.55) | 51.9 ± 41.9 | 38.7 ± 40.7 | 0.86 | (0.73) |
| REM L (min) | 105.4 ± 55.5 | 98.9 ± 47.3 | 0.76 | (0.69) | 80.7 ± 40 | 80.9 ± 29.6 | 0.9 | (0.85) | 108.4 ± 56.4 | 101.1 ± 48.7 | 0.75 | (0.66) |
| Wake (min) | 112.4 ± 69.3 | 102.2 ± 63.1 | 0.90 | (0.86) | 44.7 ± 26.3 | 52.8 ± 25.8 | 0.88 | (0.60) | 120.3 ± 68.5 | 108 ± 63.7 | 0.89 | (0.84) |
| N1 + N2 (min) | 217.7 ± 58.2 | 222.9 ± 51.1 | 0.82 | (0.77) | 235.2 ± 43.9 | 225 ± 28.8 | 0.71 | (0.36) | 215.6 ± 59.5 | 222.7 ± 53.2 | 0.84 | (0.78) |
| N3 (min) | 74.9 ± 46.2 | 77 ± 29.3 | 0.63 | (0.53) | 106.8 ± 61.2 | 98.3 ± 19.8 | 0.56 | (−0.03) | 71.1 ± 42.7 | 74.5 ± 29.3 | 0.64 | (0.53) |
| NREM (min) | 292.6 ± 59.4 | 300 ± 55.1 | 0.87 | (0.83) | 342 ± 32.5 | 323.3 ± 20.7 | 0.43 | (−0.16) | 286.8 ± 59.1 | 297.2 ± 57.3 | 0.87 | (0.82) |
| REM (min) | 75.9 ± 28.1 | 78.6 ± 24.8 | 0.82 | (0.77) | 92.9 ± 22.6 | 103.6 ± 17.1 | 0.62 | (0.14) | 73.9 ± 28 | 75.7 ± 23.9 | 0.82 | (0.76) |
| Pathologies subdivided in OSA, insomniac, and MDD patients | ||||||||||||
| OSA (n = 30) | Insomniac (n = 66) | MDD (n = 124) | ||||||||||
| PSG (mean ± SD) | Somno-Art (mean ± SD) | ICC95%AAAvg (LowB) | PSG (mean ± SD) | Somno-Art (mean ± SD) | ICC95%AAAvg (LowB) | PSG (mean ± SD) | Somno-Art (mean ± SD) | ICC95%AAAvg (LowB) | ||||
| TST (min) | 377.1 ± 83.1 | 383.8 ± 105.1 | 0.90 | (0.79) | 348.4 ± 62.9 | 358.1 ± 54.9 | 0.90 | (0.83) | 363.1 ± 74.2 | 378.2 ± 66.5 | 0.90 | (0.84) |
| SE (%) | 75.3 ± 11.4 | 76.2 ± 14.7 | 0.74 | (0.45) | 72.8 ± 13 | 74.9 ± 11.4 | 0.90 | (0.83) | 76 ± 15.6 | 79.2 ± 14 | 0.90 | (0.84) |
| WASO (min) | 91.5 ± 59.6 | 84.6 ± 61.4 | 0.82 | (0.60) | 83.2 ± 45.8 | 78.3 ± 37.3 | 0.84 | (0.73) | 72.6 ± 49.2 | 59.7 ± 37.9 | 0.83 | (0.73) |
| SL (min) | 32 ± 34.6 | 32.2 ± 36.1 | 0.64 | (0.22) | 46.8 ± 37.4 | 41.9 ± 31.4 | 0.95 | (0.92) | 39.3 ± 39.2 | 37 ± 45.5 | 0.90 | (0.86) |
| LPS (min) | 48.4 ± 35.6 | 34.1 ± 36.8 | 0.66 | (0.26) | 58.1 ± 39 | 42.6 ± 32.2 | 0.90 | (0.65) | 49.4 ± 44.7 | 37.7 ± 45.4 | 0.88 | (0.78) |
| REM L (min) | 105.8 ± 60.3 | 99.3 ± 63.6 | 0.82 | (0.62) | 95.1 ± 45.1 | 96.4 ± 40.9 | 0.72 | (0.53) | 116.1 ± 59.8 | 104.1 ± 48.4 | 0.74 | (0.62) |
| Wake (min) | 123.5 ± 61.5 | 116.8 ± 71.4 | 0.77 | (0.51) | 130 ± 62.4 | 120.3 ± 54.6 | 0.90 | (0.83) | 114.4 ± 72.9 | 99.4 ± 65.3 | 0.89 | (0.83) |
| N1 + N2 (min) | 249.2 ± 75.4 | 234 ± 78.1 | 0.92 | (0.82) | 198.7 ± 50.1 | 210.9 ± 47.5 | 0.75 | (0.59) | 216.6 ± 56.6 | 226.2 ± 47.9 | 0.79 | (0.69) |
| N3 (min) | 56.8 ± 52.8 | 72.7 ± 31.6 | 0.59 | (0.09) | 75.8 ± 39.6 | 73.3 ± 27.3 | 0.67 | (0.45) | 72.1 ± 41.3 | 75.6 ± 29.9 | 0.63 | (0.47) |
| NREM (min) | 306 ± 62.4 | 306.7 ± 86.3 | 0.86 | (0.70) | 274.4 ± 49 | 284.3 ± 44.4 | 0.86 | (0.77) | 288.7 ± 62.2 | 301.9 ± 54 | 0.87 | (0.80) |
| REM (min) | 71 ± 31.1 | 77.1 ± 30.8 | 0.83 | (0.64) | 74 ± 23.1 | 73.8 ± 21.6 | 0.75 | (0.59) | 74.5 ± 29.8 | 76.3 ± 23.4 | 0.84 | (0.76) |
ICC95%AAAvg, 95% absolute agreement ICC; LowB, lower bound of ICC95%AAAvg. ICC cutoffs: 0–0.39: “poor” agreement; 0.40–0.59: “fair” agreement (yellow); 0.60–0.74: “good” agreement (light green); 0.75–1: “excellent” agreement (green) [15].
TST, total sleep time; SE, sleep efficiency; WASO, wake after sleep onset; SL, sleep latency; LPS, latency to persistent sleep; REML, REM sleep latency.