Table 1 Baseline characteristics and endoscopic findings in the EMR and ESD groups
EMR (n = 599) | ESD (n = 306) | P value | |
|---|---|---|---|
Age (yr), mean SD | 65.19 ± 8.781 | 64.50 ± 8.099 | 0.249 |
Sex (%) | 0.694 | ||
Male | 432 (72.1) | 225 (73.5) | |
Female | 167 (27.9) | 81 (26.5) | |
Comorbidity (%) | |||
DM | 91 (66.9) | 45 (33.1) | 0.922 |
HTN | 215 (63.8) | 122 (36.2) | 0.246 |
COPD | 16 (69.6) | 7 (30.4) | 0.826 |
CKD | 12 (57.1) | 9 (42.9) | 0.362 |
Alcohol | 147 (64.8) | 80 (35.2) | 0.627 |
Smoking | 123 (64.1) | 69 (35.9) | 0.498 |
Location (%) | 0.632 | ||
Upper (fundus, UB) | 117 (19.5) | 55 (18.0) | |
Mid (MB, LB) | 181 (30.2) | 87 (28.4) | |
Lower (angle, antrum) | 301 (50.3) | 164 (53.6) | |
Size (%) | 0.006 | ||
0–2 cm | 563 (94.0) | 271 (88.6) | |
> 2 cm | 36 (6.0) | 35 (11.4) | |
Color change (%) | 0.000 | ||
Redness | 188 (31.4) | 188 (61.4) | |
Whitish | 411 (68.6) | 118 (38.6) | |
Gross type (%) | 0.000 | ||
Elevated | 220 (36.7) | 50 (16.3) | |
Flat | 175 (29.2) | 78 (25.5) | |
Depressed | 93 (15.5) | 129 (42.2) | |
Nodularity | 111 (18.5) | 49 (16.0) | |
Atrophic change (%) | 0.684 | ||
Closed type | 555 (92.7) | 286 (93.5) | |
Open type | 44 (7.3) | 20 (6.5) | |
Intestinal metaplasia (%) | |||
Yes | 201 (33.6) | 137 (44.8) | 0.001 |
Helicobacter pylori (%) | |||
Positive | 70 (11.7) | 66 (21.6) | 0.000 |
Endoscopic biopsy (%) | 0.000 | ||
LGD (%) | 564 (94.2) | 215 (70.3) | |
HGD (%) | 35 (5.8) | 91 (29.7) | |