Table 4.
P Value | |||||||
---|---|---|---|---|---|---|---|
Device-off | Device-on | Median of % change | Device-off | Device-on | Median of % change | EPAP vs Sham (% change) | |
EPAP Week 1 (N = 92) |
Sham Week 1 (N = 81) |
||||||
ODI | 13.7 (7.8, 23.6) | 7.3* (3.5, 13.8) | −43.2 (−66.1, −2.2) | 14.6 (8.7, 22.3) | 12.2 (6.5, 21.9) | −15.5 (−40.9, 19.7) | < 0.001 |
%TST SpO2 < 90% | 1.5 (0.2, 5.1) | 0.6** (0.0, 1.7) | −65.6 (−95.1, 0.0) | 2.2 (0.2, 6.2) | 1.0 (0.2, 4.7) | −40.0 (−74.2, 64.9) | 0.004 |
EPAP Month 3 (N = 77) |
Sham Month 3 (N = 67) |
||||||
ODI | 12.6 (7.1, 23.8) | 8.6* (3.7, 13.5) | −35.2 (−64.1, 2.8) | 13.3 (7.5, 23.1) | 12.7 (6.4, 21.2) | −16.0 (−39.8, 29.6) | 0.025 |
%TST SpO2 < 90% | 1.3 (0.2, 5.0) | 0.7** (0.0, 3.5) | −64.1 (−91.7, −26.5) | 1.8 (0.3, 5.1) | 1.8 (0.1, 6.2) | 0.0 (−60.0, 66.0) | 0.002 |
EPAP Device-on vs Device-off
P < 0.001,
P = 0.004.
Values are medians (25, 75 quartiles).
TST, total sleep time; ODI, oxygen desaturation index; SpO2, arterial oxygen saturation.