Table 1 A comparison of patients’ characteristics and surgical findings between the patients with and without postoperative serious infectious complications
Variables | All Patients (n = 117) | SICs group (n = 20) | NSICs group (n = 97) | p value |
|---|---|---|---|---|
Age (years), median (range) | 66 (48-77) | 68 (50-77) | 66 (48-77) | 0.289 |
Gender | Â | Â | Â | 0.356 |
 Male | 94 (80.3%) | 18 (90.0%) | 76 (78.4%) |  |
 Female | 23 (19.7%) | 2 (10.0%) | 21 (21.6%) |  |
Preoperative body mass index (kg/m2), median (range) | 21.1 (15.4-28.9) | 21.8 (17.8-26.7) | 20.5 (15.4-28.9) | 0.205 |
Preoperative serum albumin (g/dl), median (range) | 4.1 (2.3-6.4) | 4.1 (3.2-4.4) | 4.1 (2.3-6.4) | 0.202 |
ASA-PS | Â | Â | Â | 0.779 |
 1 | 17 (14.5%) | 2 (10.0%) | 15 (15.5%) |  |
 2 | 99 (84.6%) | 18 (90.0%) | 81 (83.5%) |  |
 3 | 1 (0.9%) | 0 (0.0%) | 1 (1.0%) |  |
Main tumor location | Â | Â | Â | 0.091 |
 Upper thoracic esophagus | 16 (13.7%) | 6 (30.0%) | 10 (10.3%) |  |
 Middle thoracic esophagus | 61 (52.1%) | 9 (45.0%) | 52 (53.6%) |  |
 Lower thoracic esophagus | 40 (34.2%) | 5 (25.0%) | 35 (36.1%) |  |
UICC clinical T factor before neoadjuvant chemotherapy | Â | Â | 0.235 | |
 cT1 | 2 (1.7%) | 1 (5.0%) | 1 (1.0%) |  |
 cT2 | 39 (33.3%) | 8 (40.0%) | 31 (32.0%) |  |
 cT3 | 76 (65.0%) | 11 (55.0%) | 65 (67.0%) |  |
UICC clinical N factor before neoadjuvant chemotherapy | Â | Â | 0.841 | |
 cN0 | 50 (42.7%) | 8 (40.0%) | 42 (43.3%) |  |
 cN1 | 66 (56.4%) | 12 (60.0%) | 54 (55.7%) |  |
 cN2 | 1 (0.9%) | 0 (0.0%) | 1 (1.0%) |  |
UICC clinical stage before neoadjuvant chemotherapy | Â | Â | 0.090 | |
 IB | 23 (19.7%) | 7 (35.0%) | 16 (16.5%) |  |
 IIA | 27 (23.1%) | 1 (5.0%) | 26 (26.8%) |  |
 IIB | 18 (15.4%) | 2 (10.0%) | 16 (16.5%) |  |
 IIIA | 48 (41.0%) | 10 (50.0%) | 38 (39.2%) |  |
 IIIB | 1 (0.9%) | 0 (0.0%) | 1 (1.0%) |  |
Lymph node dissection | Â | Â | Â | 0.023 |
 Two-field | 95 (81.2%) | 12 (60.0%) | 83 (85.6%) |  |
 Three-field | 22 (18.8%) | 8 (40.0%) | 14 (14.4%) |  |
Operation time (min), median (range) | 400 (298-593) | 430.0 (345-593) | 395 (298-593) | 0.111 |
Intraoperative blood loss (ml), median (range) | 420 (110-3000) | 682.5 (185-3000) | 400 (110-2350) | 0.018 |