Monitoring salivary amylase activity is useful for providing timely analgesia under sedation

Table 1 Patient characteristics

	H-group	M-group	L-group	P value
No. of patients	14	8	19
Gender (male/female)	9/5	6/2	16/3	0.429
Age (yr)	71.5 ± 11.7	71.6 ± 8.9	69.9 ± 7.0	0.569
(range)	(40-84)	(58-86)	(58-81)
Body weight (kg)	57.3 ± 10.6	62.4 ± 10.0	58.8 ± 8.7	0.443
(range)	(43.1-82)	(49-80.3)	(44-76)
No. of tumors	14	8	19
Location U/M/L	1/5/8	0/2/6	3/6/10	0.464
Less, post/great, ant	9/5	3/5	10/9	0.485
Resected tumor size (mm)	29.0 ± 10.0	29.3 ± 12.7	30.2 ± 11.4	0.827
(range)	(15-49)	(17-58)	(12-50)
Procedure time (min)	78.0 ± 54.1	92.5 ± 55.9	73.7 ± 46.8	0.717
(range)	(35-240)	(35-200)	(20-205)

The data are presented as the mean ± SD. U: Upper third of the stomach; M: Middle third of the stomach; L: Lower third of the stomach; Less: Lesser curvature; Great: Greater curvature; Ant: Anterior wall; Post: Posterior wall.