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Table 2 Sleep parameters of asthma patients overall and by disease severity

From: Accelerometer-derived sleep metrics in mild and difficult-to-treat asthma

Variable

Overall n = 124

Mild n = 44

Difficult-to-treat n = 80

p value*

No. of nights used

6 (6, 6)

6 (5, 6)

6 (6, 6)

0.333

Sleep time

6:35 (5:02, 7:45)

6:50 (6:05, 7:45)

6:26 (4:56, 7:44)

0.353

Sleep window

7:49 (6:29, 8:56)

8:03 (7:02, 8:50)

7:38 (6:08, 8:59)

0.339

Sleep efficiency (%)

85.4 (81.0, 90.2)

86.3 (82.1, 90.5)

85.4 (80.2, 90.0)

0.471

Sleep onset

00:08 (23:02, 01:23)

23:41 (22:52, 00:45)

00:24 (23:16, 02:02)

0.019

Wake onset

07:54 (06:48, 09:22)

07:41 (06:43, 08:13)

08:03 (06:48, 10:01)

0.097

  1. Variables described as median (IQR) in hours:mins unless specified.
  2. *Mann Whitney U test comparing mild vs. difficult-to-treat asthma groups