Table 2.
Patient characteristics stratified by stoma construction
| Variables | Stoma: − (n = 84) | p value | Stoma: + (n = 52) | p value | ||
|---|---|---|---|---|---|---|
| AL: − (n = 68) | AL: + (n = 16) | AL: − (n = 47) | AL: + (n = 5) | |||
| Sex: female/male | 37/31 (54.4/45.6) | 2/14 (12.5/87.5) | 0.006 | 15/32 (31.9/68.1) | 1/4 (20.0/80.0) | 1 |
| Age† | 68.0 [59.0, 75.2] | 65.5 [59.5, 69.2] | 0.198 | 68.0 [63.0, 71.9] | 65.0 [59.0, 68.0] | 0.446 |
| BMI† | 21.1 [19.2, 22.9] | 21.4 [20.7, 23.4] | 0.396 | 22.5 [20.2, 25.5] | 20.7 [18.4, 21.1] | 0.352 |
| Section: Ra/Rb | 46/22 (67.6/32.4) | 6/10 (37.5/62.5) | 0.051 | 7/40 (14.9/85.1) | 1/4 (20.0/80.0) | 1 |
| NLR† | 2.4 [1.8, 3.6] | 2.9 [2.4, 3.2] | 0.257 | 2.3 [1.7, 3.0] | 3.4 [2.6, 3.9] | 0.210 |
| LMR† | 5.3 [3.6, 6.6] | 4.9 [3.2, 5.5] | 0.415 | 4.8 [3.7, 6.2] | 4.9 [3.2, 5.7] | 0.555 |
| Alb† | 4.3 [4.0, 4.5] | 4.2 [3.7, 4.4] | 0.382 | 4.2 [3.8, 4.4] | 3.8 [3.7, 3.9] | 0.297 |
| Drain: −/+ | 36/32 (52.9/47.1) | 7/9 (43.8/56.2) | 0.701 | 24/23 (51.1/48.9) | 5/0 (100.0/0.0) | 0.059 |
| Operation time (min)† | 304.5 [273.8, 339.0] | 414.5 [320.8, 468.2] | < 0.001 | 466.0 [398.5, 619.0] | 445.0 [419.0, 489.0] | 0.733 |
| Blood loss (ml)† | 30.0 [15.0, 60.0] | 112.5 [41.2, 540.0] | 0.024 | 160.0 [38.5, 230.0] | 1100.0 [190.0, 2365.0] | 0.033 |
| Tumor size (mm)† | 30.0 [20.0, 50.0] | 55.0 [38.8, 66.2] | 0.005 | 35.0 [25.0, 50.0] | 70.0 [55.0, 80.0] | 0.027 |
| Laparotomy: −/+ | 61/7 (89.7/10.3) | 14/2 (87.5/12.5) | 0.679 | 45/2 (95.7/4.3) | 2/3 (40.0/60.0) | 0.004 |
| UICC-T factor | 0.373 | 0.338 | ||||
| T0 | 0 (0.0) | 0 (0.0) | 1 (2.1) | 0 (0.0) | ||
| Tis | 1 (1.5) | 0 (0.0) | 1 (2.1) | 0 (0.0) | ||
| T1 | 22 (32.4) | 2 (12.5) | 9 (19.1) | 0 (0.0) | ||
| T2 | 18 (26.5) | 4 (25.0) | 14 (29.8) | 0 (0.0) | ||
| T3 | 25 (36.8) | 9 (56.2) | 21 (44.7) | 5 (100.0) | ||
| T4 | 2 (2.9) | 1 (6.2) | 1 (2.1) | 0 (0.0) | ||
| UICC-stage | 0.400 | 0.015 | ||||
| 0 | 1 (1.5) | 0 (0.0) | 0 (0.0) | 0 (0.0) | ||
| I | 35 (51.5) | 5 (31.2) | 21 (44.7) | 0 (0.0) | ||
| II | 9 (13.2) | 2 (12.5) | 3 (6.4) | 2 (40.0) | ||
| III | 18 (26.5) | 6 (37.5) | 15 (31.9) | 1 (20.0) | ||
| IV | 5 (7.4) | 3 (18.8) | 8 (17.0) | 2 (40.0) | ||
| Neoadjuvant treatment*: −/+ | 68/0 (100.0/0.0) | 16/0 (100.0/0.0) | 1 | 36/11 (76.6/23.4) | 4/1 (80.0/20.0) | 1 |
| Lateral pelvis (mm)† | 142.0 [137.0, 148.0] | 138.5 [131.8, 144.8] | 0.168 | 140.0 [134.0, 144.0] | 142.0 [132.0, 144.0] | 0.804 |
| Sacrum (mm)† | 122.5 [114.0, 129.2] | 128.0 [118.8, 140.0] | 0.131 | 123.0 [113.0, 137.0] | 145.0 [130.0, 151.0] | 0.044 |
| Pelvic inlet (mm)† | 113.0 [105.0, 119.2] | 115.5 [107.2, 123.2] | 0.412 | 115.0 [105.5, 122.5] | 115.0 [114.0, 115.0] | 0.828 |
| Pelvic outlet (mm)† | 90.0 [84.0, 99.0] | 89.0 [82.8, 94.5] | 0.408 | 88.0 [84.0, 97.5] | 91.0 [86.0, 92.0] | 0.963 |
Values in parentheses are percentages; †, median [interquartile range]; *, Neoadjuvant treatment includes neoadjuvant chemotherapy/chemoradiotherapy
AL anastomotic leakage, BMI body mass index, NLR neutrophil–lymphocyte ratio, LMR lymphocyte-monocyte ratio, Alb serum albumin, Tis tumor in situ