Table 5. Comparison of subjective evaluation of acute pain intensity after surgery between LTG and OTG groups (visual analog scale score).

Pain scale	LTG group (n=23), n (%)	OTG group (n=46), n (%)	P value
Postoperative pain at 24 h			1.000
Mild [0–3]	21 (91.30)	42 (91.30)
Moderate [4–6]	2 (8.70)	4 (8.70)
Severe [7–10]	0 (0.0)	0 (0.0)
Postoperative pain at 48 h			0.215*
Mild [0–3]	17 (73.91)	40 (86.96)
Moderate [4–6]	5 (21.74)	6 (13.04)
Severe [7–10]	1 (4.35)	0 (0.00)
Postoperative pain at 72 h			0.272
Mild [0–3]	15 (65.22)	38 (82.61)
Moderate [4–6]	6 (26.09)	6 (13.04)
Severe [7–10]	2 (8.70)	2 (4.35)

*, Fisher exact test. LTG, laparoscopic total gastrectomy; OTG, open total gastrectomy.