Table 3 Characteristics of patients/lesions after propensity-score matching
Closure group | Non-closure group | ||
|---|---|---|---|
(61 lesions in 61 patients) | (61 lesions in 61 patients) | P value | |
Patients | |||
Age, mean ± SD (range), years | 68.8 ± 11.0 (42–86) | 68.5 ± 11.9 (41–84) | 0.890 |
Sex, male/female | 38/23 | 38/23 | 1.000 |
Antithrombotic agents, n (%) | 14 (23%) | 13 (21%) | 0.827 |
Lesions | |||
Location (colon/rectum) | 53/8 | 53/8 | 1.000 |
Morphology (0–I/0–IIa) | 11/50 | 9/52 | 0.625 |
Histology (Adenoma/M/SM1/SM2 or more/other) | 20/32/4/4/1 | 19/33/4/4/1 | 0.843 |
Specimen size, mean ± SD (range), mm | 41.5 ± 11.9 (23–92) | 42.9 ± 10.7 (27–80) | 0.503 |
Tumor size, mean ± SD (range), mm | 29.1 ± 11.6 (13–87) | 29.2 ± 12.1 (14–68) | 0.954 |
Simultaneous removal of other polyps*, n (%) | 2 (3%) | 2 (3%) | 1.000 |
ESD outcomes | |||
Procedure time of ESD, mean ± SD (range), min | 66.5 ± 28.1 (19–157) | 68.3 ± 30.6 (11–197) | 0.731 |
En bloc resection rate (%) | 100 | 100 | 1.000 |
Perforation during ESD, n (%) | 3 (5%) | 0 | 0.244 |