Randomized Controlled Trial
Copyright ©The Author(s) 2025.
World J Gastrointest Surg. Aug 27, 2025; 17(8): 108669
Published online Aug 27, 2025. doi: 10.4240/wjgs.v17.i8.108669
Table 5 Subgroup analysis of patients with neoplastic polyp or non-neoplastic polyp in experimental group and control group, n (%)
CharacteristicNeoplastic polyp (n = 1200)
Non-neoplastic polyp (n = 302)
Experimental group (n = 581)
Control group (n = 619)
P value
Experimental group (n = 170)
Control group (n = 132)
P value
Age (years) (mean ± SD)57.6 ± 10.757.2 ± 11.30.38754.9 ± 12.453.8 ± 12.10.463
Sex0.2510.248
    Male354 (60.9)397 (64.1)101 (59.4)87 (65.9)
    Female227 (39.1)222 (35.9)69 (40.6)45 (34.1)
Duration of polypectomy (minute) [median (P25, P75)]22 (16, 31)22 (16, 31)0.48020 (14, 28)21 (16, 31)0.101
Polyp size (cm) [median (P25, P75)]1.0 (0.8, 1.1)1.0 (0.8, 1.1)0.9280.8 (0.7, 1.0)0.8 (0.7, 1.0)0.191
Polypectomy modality0.5370.872
    Cold forceps polypectomy and cold snare polypectomy59 (10.2)69 (11.1)27 (15.9)18 (13.6)
    Hot snare polypectomy and endoscopic mucosal resection510 (87.8)532 (85.9)140 (82.4)112 (84.8)
    Hybrid endoscopic submucosal dissection12 (2.1)18 (2.9)3 (1.8)2 (1.5)
DPPB27 (4.6)32 (5.2)0.6768 (4.7)9 (6.8)0.430
Major bleeding10 (1.7)12 (1.9)0.7791 (0.6)4 (3.0)0.232
The timing of DPPB (day) [median (P25, P75)]2.0 (1.0, 3.0)2.0 (1.0, 3.0)0.3672.0 (2.0, 2.8)2.0 (1.0, 4.0)0.724
The timing of major bleeding (day) [median (P25, P75)]2.5 (1.0, 3.3)2.0 (2.0, 3.0)0.8642.03.0 (1.3, 4.0)0.709
Post-polypectomy perforation0 (0.0)2 (0.3)0.5000 (0.0)0 (0.0)-
Post-polypectomy hypoglycemia3 (0.5)7 (1.1)0.3940 (0.0)4 (3.0)0.075
Post-polypectomy fever10 (1.7)18 (2.9)0.1746 (3.5)4 (3.0)1.000
Post-polypectomy length of stay (day) [median (P25, P75)]1.0 (1.0, 2.0)2.0 (1.0, 2.0)< 0.001b1.0 (1.0, 2.0)2.0 (1.0, 2.0)< 0.001b