Table 1 Baseline characteristics of patients and operations.
Variables | Control (n = 860) | Steroid (n = 120) | P value |
---|---|---|---|
Preoperative data | |||
Age (years) | 63 [57–70] | 65 [60–70] | 0.06 |
Male | 786 (91) | 109 (91) | 0.84 |
Body mass index (kg/m2) | 23 [20–25] | 23 [21–25] | 0.25 |
Hemoglobin (g/dl) | 14 [12–15] | 14 [13–15] | 0.64 |
Albumin (g/dl) | 4 [4–5] | 4 [4–5] | 0.52 |
ASA physical status ≥3 | 47 (6) | 5 (4) | 0.52 |
TNM Stage (n = 868) | |||
1 | 296 (39) | 39 (37) | 0.68 |
2 | 226 (30) | 28 (26) | |
3 | 230 (30) | 38 (36) | |
4 | 10 (1) | 1 (1) | |
Histologic grade (n = 800) | |||
Well differentiated | 80 (11.5) | 13 (12.6) | 0.43 |
Moderately differentiated | 501 (71.9.) | 78 (75.7) | |
Poorly differentiated | 116 (16.6) | 12 (1.5) | |
Tumor location (n = 865) | |||
Upper third | 45 (5.9) | 6 (5.8) | 0.65 |
Middle third | 126 (16.6) | 21 (20.2) | |
Lower third | 590 (77.5) | 77 (74.0) | |
Tumor length (n = 811) | |||
≤3 cm | 387 (54.2) | 57 (58.8) | 0.16 |
3–6 cm | 247 (34.6) | 25 (25.8) | |
>6 cm | 80 (11.2) | 15 (15.5) | |
Neoadjuvant CCRT (n = 823) | 91 (13.6) | 21 (13.5) | 0.95 |
Comorbid condition | |||
Hypertension | 332 (39) | 40 (33) | 0.27 |
Diabetes mellitus | 130 (15) | 17 (14) | 0.79 |
Pulmonary dysfunctiona | 253 (29) | 39 (32) | 0.49 |
Cardiac disease | 43 (5) | 1 (1) | 0.0389 |
Cerebrovascular disease | 42 (5) | 7 (6) | 0.66 |
Renal dysfunction | 7 (1) | 1 (1) | 1.00 |
Intraoperative data | |||
Duration of surgery (min) | 276 [237–348] | 268 [237–355] | 0.80 |
Type of surgery | |||
Ivor Lewis operation | 480 (56) | 74 (62) | 0.16 |
Three fields operation | 161 (19) | 27 (23) | |
Three holes operation | 107 (12) | 8 (7) | |
Etc.b | 51 (6) | 5 (4) | |
Net balance of fluid (ml) | 381 [34–770] | 533 [158–986] | 0.0064 |
Infusion of inotrope | 203 (24) | 29 (24) | 0.89 |
Infusion of vasopressor | 485 (56) | 79 (66) | 0.05 |
Transfusion | 44 (5) | 12 (10) | 0.0308 |
Thoracic epidural analgesia | 301 (35) | 54 (45) | 0.0328 |
Hospital days (day) | 13 [11–16] | 12.5 [11–16] | 0.75 |
ICU stay (day) | 2 [2–3] | 2 [2–3] | 0.92 |