Stepwise sedation for elderly patients with mild/moderate COPD during upper gastrointestinal endoscopy

Table 2 Pharyngeal malaise when passing the endoscope through the throat n (%)

Group	n	Scores of degree of pharyngeal malaise
		0	1	2	3
Cs	43	33 (76.7)a	7 (16.3)	3 (7.0)	0
Cc	43	40 (93.0)	2 (4.7)	1 (2.3)	0
Ns	41	31 (75.6)a	6 (14.6)	4 (9.8)	0
Nc	41	38 (92.7)	2 (4.9)	1 (2.4)	0

Group Cs: Chronic obstructive pulmonary disease (COPD) with stepwise sedation; Group Cc: COPD with continuous sedation; Group Ns: Non-COPD with stepwise sedation; Group Nc: Non-COPD with continuous sedation.

^aP < 0.05 between Group Cs vs Group Cc and Group Ns vs Group Nc.