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. Author manuscript; available in PMC: 2010 Mar 1.
Published in final edited form as: Sleep Med Clin. 2009 Mar 1;4(1):57–64. doi: 10.1016/j.jsmc.2008.11.004

Table 2.

Change in Time-Dependent Variables

Time 1 Time 2 Change
Variable
AHI (events/hour)
 Women 1.95 (2.77) 4.51 (6.67) t = 3.86, p = .0003
 Men 9.69 (11.30) 16.11 (17.40) t = 3.40, p = .0018
 Both 4.51 (7.74) 8.34 (12.56) t = 4.91, p < .0001
LogAHI
 Women .79 (.70) 1.34 (.78) t = 6.53, p < .0001
 Men 1.88 (1.03) 2.34 (1.04) t = 4.09, p = .0003
 Both 1.15 (.96) 1.67 (.99) t = 7.72, p < .0001
Weight (kg)
 Women 64.24 (12.20) 65.52 (14.13) t = 1.62, p = .109
 Men 75.15 (11.60) 74.35 (12.87) t = .79, p = .433
 Both 67.84 (13.01) 68.44 (14.28) t = .94, p = .35
BMI (kg/m2)
 Women 24.01 (4.04) 24.51 (4.92) t = 1.69, p = .096
 Men 24.18 (2.51) 23.90 (2.98) t = .87, p = .39
 Both 24.07 (3.59) 24.31 (4.37) t = 1.05, p = .30
FVC (L)
 Women 2.79 (.66) 2.50 (.65) t = 6.33, p < .0001
 Men 3.93 (.84) 3.64 (.84) t = 2.77, p = .009
 Both 3.17 (.90) 2.88 (.90) t = 6.30, p < .0001
FEV1 (L)
 Women 2.05 (.57) 1.88 (.55) t = 4.54, p < .0001
 Men 2.77 (.62) 2.57 (.68) t = 1.76, p = .087
 Both 2.29 (.67) 2.11 (.68) t = 4.04, p < .0001

NOTE: Data presented as X (SD)