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. 2014 Jan 22;2014:508372. doi: 10.1155/2014/508372

Table 3.

Relationship between quality of sleep and obstructive sleep apnea (OSA) in studied patients.

Patients with OSA 
n = 71
Patients without OSA
n = 68
P value
Good sleep quality 9 (6.4%) 26 (18.7%) <0.001
Poor sleep quality 62 (44.6%) 42 (30.2%)

*Data are presented as number (percent).