Effects of early diet resumption on the incidence of complications following polypectomy: A randomized controlled trial

Table 6 Subgroup analysis of patients who underwent different modalities of polypectomy in experimental group and control group, n (%)

Characteristic	Cold forceps polypectomy and cold snare polypectomy (n = 173)			Hot snare polypectomy and endoscopic mucosal resection (n = 1294)			Hybrid endoscopic submucosal dissection (n = 35)
	Experimental group (n = 86)	Control group (n = 87)	P value	Experimental group (n = 650)	Control group (n = 644)	P value	Experimental group (n = 15)	Control group (n = 20)	P value
Age (years) (mean ± SD)	58.7 ± 10.2	58.2 ± 11.2	0.758	57.6 ± 10.7	57.0 ± 11.4	0.363	55.6 ± 14.3	57.7 ± 10.1	0.613
Sex			0.377			0.215			0.506
Male	58 (67.4)	64 (73.6)		390 (60.0)	408 (63.4)		7 (46.7)	12 (60.0)
Female	28 (32.6)	23 (26.4)		260 (40.0)	236 (36.6)		8 (53.3)	8 (40.0)
Duration of polypectomy (minute) [median (P25, P75)]	20 (13, 32)	21 (16, 32)	0.230	21 (15, 29)	21 (16, 30)	0.262	37 (26, 59)	34 (29, 47)	0.677
Polyp size (cm) [median (P25, P75)]	0.8 (0.5, 0.9)	0.8 (0.6, 0.9)	0.171	1.0 (0.8, 1.1)	1.0 (0.8, 1.1)	0.412	1.2 (0.8, 2.0)	1.1 (0.8, 1.5)	0.490
Polyp number [median (P25, P75)]	3.0 (1.0, 5.3)	4.0 (2.0, 6.0)	0.144	2.0 (1.0, 4.0)	2.0 (1.0, 4.0)	0.596	2.0 (1.0, 3.0)	2.0 (1.0, 4.0)	0.904
DPPB	2 (2.3)	4 (4.6)	0.688	31 (4.8)	37 (5.7)	0.431	2 (13.3)	0 (0.0)	0.176
Major bleeding	0 (0.0)	0 (0.0)	-	9 (1.4)	16 (2.5)	0.151	2 (13.3)	0 (0.0)	0.176
The timing of DPPB (day) [median (P25, P75)]	5.0 (4.0, 6.0)	1.5 (1.0, 11.0)	0.348	2.0 (1.0, 3.0)	2.0 (1.0, 3.0)	0.410	1.5 (1.0, 2.0)	-	-
The timing of major bleeding(day) [median (P25, P75)]	-	-	-	3.0 (1.5, 3.5)	2.0 (2.0, 3.8)	0.703	1.5 (1.0, 2.0)	-	-
Post-polypectomy perforation	0 (0.0)	1 (1.1)	1.000	0 (0.0)	1 (0.2)	0.498	0 (0.0)	0 (0.0)	-
Post-polypectomy hypoglycemia	1 (1.2)	0 (0.0)	0.497	2 (0.3)	10 (1.6)	0.019a	0 (0.0)	1 (5.0)	1.000
Post-polypectomy fever	1 (1.2)	5 (5.7)	0.218	14 (2.2)	15 (2.3)	0.831	1 (6.7)	2 (10.0)	1.000
post-polypectomy length of stay(day) [median (P25, P75)]	1.0 (1.0, 2.0)	2.0 (1.0, 2.0)	< 0.001b	1.0 (1.0, 2.0)	2.0 (1.0, 2.0)	< 0.001b	2.0 (1.0, 4.0)	2.0 (2.0, 2.0)	0.790

^aP < 0.05.

^bP < 0.01.

DPPB: Delayed post-polypectomy bleeding.