Table 1 Basic characteristics between left hemicolon sparing and extensive resection
Variable | LHS group (n = 103) | EXT group (n = 35) | P |
|---|---|---|---|
Age, (years) | |||
≤ 63 | 44 (42.7) | 20 (57.1) | 0.139 |
> 63 | 59 (57.3) | 15 (42.9) | |
Gender | |||
Female | 38 (36.9) | 10 (28.6) | 0.372 |
Male | 65 (63.1) | 25 (71.4) | |
BMI, mean ± SD, kg/m2 | 23.8 ± 3.4 | 24.8 ± 3.0 | 0.145 |
ASA physical status | |||
I–II | 90 (87.4) | 34 (97.1) | 0.184 |
III | 13 (12.6) | 1 (2.9) | |
Concomitant diseases | |||
No | 45 (43.7) | 15 (42.9) | 0.932 |
Yes | 58 (56.3) | 20 (57.1) | |
History of abdominal surgery | |||
No | 81 (78.6) | 26 (74.3) | 0.594 |
Yes | 22 (21.4) | 9 (25.7) | |
Preoperative chemotherapy | |||
No | 101 (98.1) | 35 (100.0) | 1.000 |
Yes | 2 (1.9%) | 0 (0.0) | |
The distance of rectal or sigmoid colon cancer from anal verge, cm | 12 (3–30) | 15 (3–32) | 0.294 |
Tumor sizea, cm | |||
≤ 5 | 56 (54.9) | 18 (51.4) | 0.722 |
> 5 | 46 (45.1) | 17 (48.6) | |
Tumor differentiation | |||
Well-moderate | 53 (51.5) | 21 (60.0) | 0.381 |
Poor | 50 (48.5) | 14 (40.0) | |
pT stage | |||
T1-T2 | 8 (7.8) | 5 (14.3) | 0.254 |
T3-T4 | 95 (92.2) | 30 (85.7) | |
pN stage | |||
N0 | 41 (39.8) | 14 (40.0) | 0.933 |
N1 | 44 (42.7) | 14 (40.0) | |
N2 | 18 (17.5) | 7 (20.0) | |
Stage | |||
I | 7 (6.8) | 4 (11.4) | 0.619 |
II | 34 (33.0) | 10 (28.6) | |
III | 62 (60.2) | 21 (60.0) | |
Hb level | |||
< 120 | 49 (47.6) | 16 (45.7) | 0.944 |
≥ 120 | 36 (35.0) | 12 (34.3) | |
Unknown | 18 (17.5) | 7 (20.0) | |
Alb level | |||
< 40 | 50 (48.5) | 13 (37.1) | 0.312 |
≥ 40 | 35 (34.0) | 12 (34.3) | |
Unknown | 18 (17.5) | 10 (28.6) | |
CEA level | |||
≤ 5 | 45 (43.7) | 11 (31.4) | 0.441 |
> 5 | 32 (31.1) | 13 (37.1) | |
Unknown | 26 (25.2) | 11 (31.4) | |
CA19-9 level | |||
≤ 37 | 64 (62.1) | 20 (57.1) | 0.881 |
> 37 | 12 (11.7) | 4 (11.4) | |
Unknown | 27 (26.2) | 11 (31.4) | |