Table 2 characteristics of patients in the model group
Factors | AL (n = 26) | NAL (n = 297) | P | ||||
|---|---|---|---|---|---|---|---|
Patient related factors | |||||||
Age(years, \(\stackrel{-}{x}\pm s\)) | 61.9 ± 7.6 | 59.3 ± 11.9 | 0.276 | ||||
Gender, n = No (%) | 0.034 | ||||||
Female | 4(15.4%) | 107(36.0%) | |||||
Male | 22(84.6%) | 190(64.0%) | |||||
Smoking, n = No (%) | 0.942 | ||||||
Yes | 7(26.9%) | 78(26.3%) | |||||
No | 19(73.1%) | 219(73.7%) | |||||
Alcohol excess, n = No (%) | 0.364 | ||||||
Yes | 8(30.8%) | 68(22.9%) | |||||
No | 18(69.2%) | 229(77.1%) | |||||
Previous history of malignancy, n = No (%) | 0.530 | ||||||
Yes | 2(7.7%) | 35(11.8%) | |||||
No | 24(92.3%) | 262(88.2%) | |||||
BMI(kg/m2, \(\stackrel{-}{x}\pm s\)) | 22.2 ± 2.1 | 22.6 ± 2.7 | 0.473 | ||||
HbA1c, n = No (%) | 0.032 | ||||||
≤ 6.3% | 22(84.6%) | 282(94.9%) | |||||
> 6.3% | 4(15.4%) | 15(5.1%) | |||||
Diabetes mellitus, n = No (%) | 0.417 | ||||||
Yes | 4(15.4%) | 66(22.2%) | |||||
No | 22(84.6%) | 231(77.8%) | |||||
Hypertension, n = No (%) | 0.783 | ||||||
Yes | 9(34.6%) | 95(32.0%) | |||||
No | 17(65.4%) | 202(68.0%) | |||||
PCT, n = No (%) | 0.021 | ||||||
Yes | 8(30.8%) | 41(13.8%) | |||||
No | 18(69.2%) | 256(86.2%) | |||||
ASA grade, n = No (%) | 0.916 | ||||||
3 | 3(11.5%) | 35(11.8%) | |||||
2 | 7(26.9%) | 91(30.6%) | |||||
1 | 16(61.5%) | 171(57.6%) | |||||
Surgical related factors | |||||||
Operation time(min) | 0.265 | ||||||
Median(IQR) | 180(150.0, 213.4) | 170(155.0, 190.0) | |||||
Intraoperative blood loss (ml) | 0.572 | ||||||
Median(IQR) | 45.0 (27.5,72.5) | 40.0 (40.0,50.0) | |||||
LCA preservation, n = No (%) | 0.033 | ||||||
Yes | 19(73.1%) | 261(87.9%) | |||||
No | 7(26.9%) | 36(12.1%) | |||||
Number of staples fired, n = No (%) | 0.016 | ||||||
1 or 2 | 16(61.5%) | 246(82.8%) | |||||
>2 | 10(38.5%) | 51(17.2%) | |||||
Surgical approach, n = No (%) | 0.685 | ||||||
Laparoscopic | 21(80.8%) | 249(83.8%) | |||||
Open | 5(19.2%) | 48(16.2%) | |||||
Tumor related factors | |||||||
TD, n = No (%) | 0.001 | ||||||
≥ 7 cm | 5(19.2%) | 156(52.5%) | |||||
< 7 cm | 21(80.8%) | 141(47.5%) | |||||
Pathological T stage, n = No (%) | 0.114 | ||||||
Tis, T1, T2, | 6(23.1%) | 115(38.7%) | |||||
T3 and T4 | 20(76.9%) | 182(61.3%) | |||||
Pathological N stage, n = No (%) | 0.139 | ||||||
N0 | 4(15.4%) | 86(29.0%) | |||||
N1 and N2 | 22(84.6%) | 211(71.0%) | |||||
TNM stage, n = No (%) | 0.172 | ||||||
I | 3(11.5%) | 32(10.8%) | |||||
II | 6(23.1%) | 123(41.4%) | |||||
III | 17(65.4%) | 142(47.8%) | |||||
Tumor histological differentiation, n = No (%) | 0.402 | ||||||
High | 12(46.2%) | 114(38.4%) | |||||
Moderate | 9(34.6%) | 88(29.6%) | |||||
Low | 5(19.2%) | 95(32.0%) | |||||