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. 2011 Apr 1;34(4):479–485. doi: 10.1093/sleep/34.4.479

Table 2.

Week 1 and month 3 AHI results (ITT group)

P Value
Device-off Device-on Median of % change Device-off Device-on Median of % change EPAP vs Sham (% change)
EPAP Week 1 (N = 119)
Sham Week 1 (N = 110)
AHI 13.8 (5.3, 22.6) 5.0* (1.7, 11.6) −52.7 (−80.9, 1.2) 11.1 (4.8, 21.8) 11.6 (4.0, 21.0) −7.3 (−48.5, 46.0) < 0.0001
EPAP Month 3 (N = 100)
Sham Month 3 (N = 95)
AHI 14.4 (5.5, 21.4) 5.6* (2.1, 12.5) −42.7 (−80.2, 0.1) 10.2 (3.4, 19.3) 8.3 (4.2, 20.6) −10.1 (−47.9, 88.5) < 0.0001

EPAP Device-on vs Device-off

*

P < 0.0001.

Values are medians (25, 75 quartiles).