Midterm outcome of stapled transanal rectal resection for obstructed defecation syndrome: A single-institution experience in China

Table 2 Preoperative and postoperative scores of quality-of-life questionnaires and visual analog scale in 75 patients undergoing stapled transanal rectal resection

Items	Median
	Preoperative	12 mo	30 mo
PAC-QoL (dissatisfaction index)	44	7b	9b
PAC-QoL (satisfaction index)	0	12b	10b
VAS satisfaction index	4	8b	7b

The Wilcoxon signed-rank test was used; All the comparisons vs the preoperative data were statistically significant;

^bP < 0.01. PAC-QoL: Postoperative scores of quality-of-life questionnaires; VAS: Visual analog scales.