Table 2.
Baseline and outcomes before and after PSM.
| Baseline | Characteristics | Before PSM | After PSM |
|---|---|---|---|
| MSR-ESE(75) ESE(105) p value | MSR-ESE(61) ESE(61) p value | ||
| Sex | 0.45 | 1 | |
| Female | 56(74.7%) 73(69.5%) | 45(74%) 46(75%) | |
| Male | 19(25.3%) 32(30.5%) | 16(26%) 15(25%) | |
| Age | 0.71 | 0.86 | |
| <60 | 48(64%) 70(66.6%) | 40(66%) 38(62%) | |
| ≥60 | 27(36%) 35(33.4%) | 21(34%) 23(38%) | |
| BMI, kg/m2 | 23.2 ± 2.8 23.3 ± 3.2 0.766 | 23.1 ± 2.8 22.9 ± 3.1 0.657 | |
| hypertension or diabetes | 28(37.3%) 41(39%) 0.816 | 23(38%) 20(33%) 0.728 | |
| WBC(10^9/L) | 6.2 ± 2.2 5.8 ± 1.9 0.17 | 6 ± 1.9 5.9 ± 1.9 0.877 | |
| Hb(g/L) | 132 ± 15 131 ± 15 0.859 | 131 ± 14 131 ± 13 0.959 | |
| PLT | 205.7 ± 42.6 206.5 ± 50.9 0.916 | 205.8 ± 43.3 200 ± 53.8 0.512 | |
| TB(umol/L) | 12.9 ± 4.7 12.9 ± 4.9 0.974 | 12.6 ± 4.4 13 ± 4.4 0.58 | |
| DB(umol/L) | 2.4 ± 0.8 2.4 ± 1 0.984 | 2.3 ± 0.8 2.4 ± 0.9 0.487 | |
| ALT | 22 ± 10 21 ± 14 0.53 | 21 ± 9 19 ± 13 0.348 | |
| AST | 23.6 ± 5.5 22.7 ± 8.5 0.414 | 22.9 ± 5 22.2 ± 7.6 0.518 | |
| GGT | 23.1 ± 17.8 27.6 ± 27.9 0.185 | 20.8 ± 7.8 20 ± 10 0.668 | |
| ALP | 75.8 ± 17.5 73.1 ± 18.4 0.334 | 73.3 ± 15.2 73.6 ± 17.8 0.929 | |
| Cr(umol/L) | 65 ± 15.9 64.8 ± 12.4 0.934 | 64.9 ± 16.7 65.8 ± 10.5 0.704 | |
| PT(s) | 12.8 ± 0.5 12.9 ± 0.6 0.435 | 12.9 ± 0.5 12.9 ± 0.6 0.768 | |
| CEA | 2.3 ± 1 1.9 ± 1 0.024 | 2.1 ± 0.9 2.1 ± 1 0.695 | |
| Outcomes | Characteristics | Before PSM | After PSM |
| MSR-ESE(75) ESE(105) p value | MSR-ESE(61) ESE(61) p value | ||
| intraoperative bleeding | 0 3(2.9%) 0.14 | 0 2(3.3%) | |
| postoperative abdominal pain | 6(8%) 23(21.9%) 0.012 | 5(8.2%) 13(21.3%) 0.077 | |
| Postoperative fever | 5(1.3%) 11(10.5%) 0.376 | 4(6.6%) 5(8.1%) 1 | |
| postoperative bleeding | 0 2(1.9%) 0.229 | 0 1(1.6%) | |
| Postoperative antibiotics | 49(65.3%) 77(73.3%) 0.248 | 39(64%) 40(66%) 1 | |
| Postoperative fasting time(h) | 40.2 ± 19.4 39.5 ± 23.9 0.817 | 38.2 ± 18.7 39 ± 25.8 0.739 | |
| Postoperative ICU | 1(1.3%) 0 0.417 | 0 0 | |
| postoperative hospital stay(day) | 3.2 ± 1.1 3.7 ± 1.9 0.056 | 3.1 ± 1.1 3.7 ± 2.2 0.04 | |
| Hospital costs(Yuan) | 17590 ± 3956 21393 ± 5294 0.000 | 17200 ± 3847 21743 ± 5417 0.000 | |
| intraoperative perforation | 22(29.3%) 43(41%) 0.11 | 14(23%) 22(36%) 0.2 | |
| operation time(min) | 32.4 ± 15.6 80.7 ± 23.3 0.000 | 31.4 ± 15 81.3 ± 26 0.000 | |
| clinical outcome | 75(100%) 105(100%) | 61(100%) 61(100%) |