Table 2.
Demographics and PSG metrics during diagnostic and treatment PSGs by misperception group
| MP>60 | MP<60 | |||
|---|---|---|---|---|
| n | 125 | 175 | ||
| sex | 49.6% male | 58.5% male | ||
| age | 53 (28,89) | 54 (16,78) | ||
| BMI | 31 (27,36) | 30 (27,35) | ||
| ESS | 8 (5,12) | 7 (4,11) | ||
| Time between studies (days) | 93 (42,167) | 93 (48,160) | ||
| Dx | PAP | Dx | PAP | |
| S-Lat (min) | 45 (20,90) | 15 (30,60) | 25 (15,40) | 10 (20,45) |
| S-TST (min) | 270 (180,300) | 240 (318,360) | 360 (330,420) | 300 (360,420) |
| S-# wake | 4 (2,6) | 2 (3,5) | 3 (2,5) | 2 (3,5) |
| S-WASO (min) | 40 (15,90) | 10 (30,60) | 18 (10,30) | 10 (20,46) |
| S-O Lat (min) | 27 (10,54) | 2 (12,27) | 14 (1,27) | −1 (10,22) |
| S-O TST (min) | −114 (−158,−80) | −107 (−42,0) | −5 (−32,20) | −58 (−9,43) |
| S-O # wake | −20 (−27,−11) | −23 (−14,−9) | −15 (−23,−8) | −22 (−16,−10) |
| S-O WASO | −6 (−34,29) | −46 (−17,8) | −18 (−44,0) | −46 (−22,−3) |
| TST (min) | 392 (355,426) | 327 (377,404) | 382 (346,416) | 332 (371,403) |
| Lat (min) | 5 (2,9) | 1 (4,10) | 4 (2,9) | 1 (4,10) |
| LPS (min) | 15 (5,29) | 5 (13,29) | 10 (3,24) | 4 (12,26) |
| REM Lat | 135 (85,215) | 74 (106,197) | 122 (83,202) | 74 (107,169) |
| N1% | 17 (10,24) | 7 (13,18) | 13 (9,19) | 8 (12,19) |
| N2% | 54 (49,61) | 46 (52,60) | 56 (49,63) | 45 (52,62) |
| N3% | 11 (4,18) | 9 (16,22) | 13 (6,20) | 8 (16,24) |
| R% | 16 (9,20) | 12 (16,22) | 14 (9,19) | 11 (16,21) |
| Eff | 89 (81,93) | 79 (88,94) | 90 (81,95) | 79 (87,93) |
| #30sW | 24 (15,33) | 13 (18,28) | 19 (11,28) | 13 (20,27) |
| #60sW | 11 (7,17) | 7 (10,16) | 10 (5,14) | 7 (11,15) |
| Sp AI (hr−1) | 3 (2,5) | 3 (4,7) | 3 (2,6) | 3 (5,7) |
| LMAI (hr−1) | 2 (0,5) | 0 (2,7) | 1 (0,3) | 0 (2,6) |
| PLMI (hr−1) | 6 (1,21) | 1 (6,28) | 4 (1,14) | 1 (7,21) |
| AHI (hr−1) | 14 (8,21) | 1 (2,3) | 13 (7,19) | 1 (2,4) |
| AHI Supine | 20 (11,29) | 1 (2,4) | 15 (10,29) | 1 (2,5) |
| AHI REM | 28 (10,42) | 0 (2,5) | 26 (13,46) | 0 (2,4) |
| RDI (hr−1) | 27 (21,38) | 2 (4,6) | 26 (17,37) | 2 (4,8) |
| O2 nadir REM | 85 (80,89) | 89 (92,94) | 85 (80,88) | 89 (92,94) |
| O2 nadir NR | 86 (83,89) | 88 (90,92) | 85 (81,88) | 88 (90,92) |
Median values, with 25-75% range shown in parentheses, separated by commas. There were no significant differences between misperception groups for diagnostic or treatment nights, using Kruskal-Wallis with Dunn's correction. Abbreviations are as in Table 1.