Table 2 Clinical characteristic between two groups
Characteristic | SDD group (n = 42) | Non-SDD group (n = 104) | p value |
|---|---|---|---|
Age, years, median (IQR) | 59.5(49.5,67) | 55(51,61) | 0.206 |
Male, Sex, n (%) | 30(71.4) | 68(65.4) | 0.482 |
Lesion size, mm, mean (SD) | 21.9(6.0) | 27.2(10.6) | 0.009 |
Operative time, min, median (IQR) | 77.5(66.5,91.3) | 82(68,89) | 0.833 |
ASA Class, n (%) | 0.065 | ||
1/2 | 42(100.0) | 93(89.4) | |
3 | 0 | 11(10.6) | |
Smoking status, n (%) | 0.880 | ||
Never/former | 32(76.2) | 78(75.0) | |
Current | 10(23.8) | 26(25.0) | |
Alcohol abuse, n (%) | 0.015 | ||
Yes | 11(26.2) | 50(48.1) | |
No | 31(73.8) | 54(51.9) | |
CRR, n (%) | 0.024 | ||
< 1/2 | 20(47.6) | 34(32.7) | |
1/2–3/4 | 22(52.4) | 56(53.8) | |
≥ 3/4 | 0 | 14(13.5) | |
Preoperative comorbidity, n (%) | |||
Hypertension | 14(33.3) | 20(19.2) | 0.068 |
Diabetes | 10(23.8) | 24(23.1) | 0.924 |
COPD | 0 | 13(12.5) | 0.038 |
Depth of infiltration, n (%) | 0.880 | ||
M | 18(42.9) | 46(44.2) | |
SM1 | 24(57.1) | 58(55.8) | |
Localization, n (%) | 0.056 | ||
Upper esophagus | 2(4.8) | 8(5.8) | |
Mid-esophagus | 19(45.2) | 66(63.5) | |
Lower esophagus | 21(50.0) | 30(28.7) | |
Lesion number, n (%) | 0.648 | ||
Simple | 36(85.7) | 92(88.5) | |
Multiple | 6(14.3) | 12(11.5) | |
Intraoperative complication, n (%) | |||
Bleeding | 0 | 8(7.7) | 0.148 |
Perforation | 0 | 6(5.8) | 0.182 |