Ann Coloproctol > Volume 39(4); 2023 > Article |
|
Author contributions
Conceptualization: KHK, HSK, GTN; Data curation: HSK, GTN; Formal analysis: HSK, GTN; Investigation: all authors; Methodology: all authors; Project administration: KHK; Resources: all authors; Software: HSK, GTN; Supervision: KHK; Validation: all authors; Writing–original draft: HSK; Writing–review & editing: all authors. All authors read and approved the final manuscript.
Characteristic | BMI-low group | BMI-high group | P-value |
---|---|---|---|
No. of patients | 44 | 22 | |
Age (yr) | 65.5±9.6 | 66.1±11.5 | 0.826 |
Sex | 0.189 | ||
Male | 21 (47.7) | 15 (68.2) | |
Female | 23 (52.3) | 7 (31.8) | |
BMI (kg/m²) | 21.8±2.2 | 26.9±1.4 | <0.001 |
Body fat mass (kg) | 15.9±4.6 | 23.7±6.6 | <0.001 |
Percent body fat (%) | 27.9±6.5 | 31.3±8.4 | 0.072 |
Skeletal muscle mass (kg) | 2.8±1.0 | 2.9±1.2 | 0.803 |
ASA classification | >0.999 | ||
II | 33 (75.0) | 17 (77.3) | |
III | 11 (25.0) | 5 (22.7) | |
ECOG performance status | >0.999 | ||
0 | 37 (84.1) | 19 (86.4) | |
1 | 6 (13.6) | 3 (13.6) | |
2 | 1 (2.3) | 0 (0) | |
Smoking | 0.392 | ||
No | 41 (93.2) | 19 (86.4) | |
Yes | 3 (6.8) | 3 (13.6) | |
Prior abdominal surgery | 0.159 | ||
No | 39 (88.6) | 16 (72.7) | |
Yes | 5 (11.4) | 6 (27.3) | |
Tumor location | 0.285 | ||
Right colon | 14 (31.8) | 11 (50.0) | |
Left colon | 24 (54.5) | 10 (45.5) | |
Rectum | 6 (13.6) | 1 (4.5) | |
Surgical approach | 0.583 | ||
Laparoscopy | 28 (63.6) | 16 (72.7) | |
Robotic surgery | 16 (36.4) | 6 (27.3) | |
Operative method | 0.487 | ||
Right hemicolectomy | 12 (27.3) | 10 (45.5) | |
Transverse colectomy | 1 (2.3) | 0 (0) | |
Left hemicolectomy | 4 (9.1) | 3 (13.6) | |
Anterior resection | 17 (38.6) | 5 (22.7) | |
Low anterior resection | 10 (22.7) | 4 (18.2) | |
T categorya | 0.159 | ||
Tis | 6 (14.0) | 1 (5.3) | |
T1 | 8 (18.6) | 7 (36.8) | |
T2 | 4 (9.3) | 1 (5.3) | |
T3 | 20 (46.5) | 10 (52.6) | |
T4 | 5 (11.6) | 0 (0) | |
N categorya | 0.541 | ||
0 | 27 (62.8) | 11 (57.9) | |
1 | 13 (30.2) | 5 (26.3) | |
2 | 3 (7.0) | 3 (15.8) | |
M categorya | 0.665 | ||
0 | 39 (90.7) | 16 (84.2) | |
1 | 4 (9.3) | 3 (15.8) | |
Differentiationa | 0.872 | ||
Well | 8 (18.6) | 2 (10.5) | |
Moderate | 30 (69.8) | 15 (79.0) | |
Poor | 4 (9.3) | 2 (10.5) | |
Mucinous | 1 (2.3) | 0 (0) | |
No. of harvested LNs | 21 (15.25–28.75) | 18 (15–25) | 0.292 |
Operative time (min) | 213.6±46.7 | 231.8±48.5 | 0.146 |
Blood loss (mL) | 50 (45–70) | 50 (50–70) | 0.867 |
Time to diet (day) | 3.0 (3.0–3.5) | 3.0 (3.0–3.0) | >0.999 |
Time to gas passing (day) | 3.0 (2.0–3.0) | 3 (2.0–3.0) | 0.803 |
Postoperative hospital stay (day) | 7.0 (7.0–8.5) | 7.0 (6.0–8.0) | 0.568 |
Morbidity | 12 (27.3) | 7 (31.8) | 0.776 |
Clostridium difficile infection | 2 | 0 | |
Chyle drainage | 1 | 4 | |
Ileus | 3 | 3 | |
Major leakage | 1 | 0 | |
Pneumonia | 1 | 0 | |
Surgical site infection | 2 | 0 | |
Voiding difficulty | 2 | 0 | |
Clavian-Dindo classificationb | 0.652 | ||
I | 6 (50.0) | 3 (42.9) | |
II | 5 (41.7) | 4 (57.1) | |
III | 1 (8.3) | 0 (0) | |
Readmission | 1 (2.3) | 1 (4.5) | >0.999 |