From: Effect of end-expiratory carbon dioxide monitoring on painless colonoscopy procedures in obstructive sleep apnea patients
Study group (n = 80)
Control group (n = 78)
\({\chi }^{2}\)
P
Nausea and vomiting (n)
6 (7.7)
19 (23.8)
7.646
0.006
Abdominal pain (n)
11 (14.1)
22 (27.5)
4.290
0.038
Abdominal distension (n)
9 (11.5)
6.380
0.012