Table 1 Patient clinical characteristics(n = 890)
Variables | All patients (n = 890) | AL patients (n = 102) | Non-AL patients(n = 788) | t/ Z/ χ2 | P |
|---|---|---|---|---|---|
Age(years) | 68.66 ± 12.66 | 68.88 ± 12.86 | 68.63 ± 12.64 | 0.843 | 0.198 |
BMI(kg/m2) | 23.05 ± 3.18 | 23.03 ± 3.81 | 23.04 ± 3.18 | 0.978 | 0.028 |
Hospitalization (day) | 22.51 ± 11.71 | 37.22 ± 16.21 | 20.60 ± 9.46 | 10.355 | < 0.001 |
Gender | |||||
 Male | 532(59.8) | 74(72.55) | 458(58.12) | 7.818 | 0.005 |
 Female | 358(40.2) | 28(27.45) | 330(41.88) | ||
Smoking | |||||
 Yes | 125(14.0) | 28(27.45) | 97(12.31) | 18.062 | < 0.001 |
 No | 765(86.0) | 74(72.55) | 691(87.70) | ||
Alcohol | |||||
 Yes | 84(9.4) | 14(13.73) | 70(8.88) | 2.477 | 0.115 |
 No | 806(90.6) | 88(86.27) | 718(91.12) | ||
Diabetes | |||||
 Yes | 70(7.9) | 16(15.69) | 54(6.85) | 9.725 | 0.002 |
 No | 820(92.1) | 86(84.31) | 734(93.15) | ||
Hypertension | |||||
 Yes | 202(22.7) | 33(32.35) | 169(21.45) | 6.122 | 0.013 |
 No | 688(77.3) | 69(67.65) | 619(78.55) | ||
Cardiovascular disease | |||||
 Yes | 62(7.0) | 11(10.78) | 51(6.47) | 2.591 | 0.107 |
 No | 828(93.0) | 91(89.22) | 737(93.53) | ||
Abdominal operation | |||||
 Yes | 171(19.2) | 41(40.20) | 130(16.50) | 32.677 | < 0.001 |
 No | 719(80.8) | 61(59.80) | 658(83.50) | ||
Intestinal polyps | |||||
 Yes | 151(17.0) | 56(54.90) | 95(12.06) | 117.684 | < 0.001 |
 No | 739(83.0) | 46(45.10) | 693(87.94) | ||
Chemotherapy | |||||
 Yes | 480(53.9) | 49(48.04) | 431(54.70) | 1.610 | 0.204 |
 No | 410(46.1) | 53(51.96) | 357(45.30) | ||
Surgical options | |||||
 laparoscopy | 667(74.9) | 52(50.98) | 615(78.05) | 35.230 | < 0.001 |
 open | 223(25.1) | 50(49.02) | 173(21.95) | ||
Drainage tube | |||||
 Yes | 625(70.22) | 101(99.02) | 90(88.24) | 17.872 | < 0.001 |
 No | 265(29.78) | 1(0.98) | 12(11.76) | ||
Tumor location | |||||
 descending colon | 124(13.9) | 15(14.71) | 109(13.83) | 3.750 | 0.153 |
 sigmoid colon | 274(30.8) | 23(22.55) | 251(31.85) | ||
 rectum | 492(55.3) | 64(62.75) | 428(54.31) | ||
Tumor diameter | |||||
 < 5 cm | 503(56.5) | 55(53.92) | 448(56.85) | 0.316 | 0.574 |
 ≥ 5 cm | 387(43.5) | 47(46.08) | 340(43.15) | ||
Tumor differentiation grade | |||||
 Poor | 6(0.7) | 2(1.96) | 4(0.51) | 3.973 | 0.137 |
 Medium | 849(95.4) | 98(96.08) | 751(95.30) | ||
 High | 35(4.3) | 2(1.96) | 33(4.19) | ||
TNM Stage | |||||
 I | 241(27.1) | 20(19.61) | 221(28.05) | 10.531 | 0.015 |
 II | 340(38.2) | 53(51.96) | 288(36.55) | ||
 III | 217(24.4) | 24(23.53) | 201(25.51) | ||
 IV | 83(9.3) | 5(4.90) | 78(9.90) | ||
CEA(ng/mL) | |||||
 ≥ 5 | 402(45.17) | 47(46.08) | 355(45.05) | 0.039 | 0.844 |
 < 5 | 488(54.83) | 55(53.92) | 433(54.95) | ||
 Leukocyte (109/L) | 6.25 ± 2.68 | 6.32 ± 2.53 | 6.24 ± 2.71 | 0.742 | 0.330 |
 Neutrophil (109/L) | 4.10 ± 3.32 | 4.51 ± 3.52 | 3.95 ± 2.11 | 1.227 | 0.223 |
 Platelet (109/L) | 221.98 ± 83.31 | 236.75 ± 87.97 | 220.06 ± 82.55 | 1.776 | 0.079 |
 Lymphocyte (109/L) | 1.62 ± 0.67 | 1.48 ± 0.60 | 1.63 ± 0.68 | -2.454 | 0.016 |
 Hemoglobin (g/L) | 117.44 ± 21.91 | 118.12 ± 22.92 | 117.35 ± 21.79 | 0.338 | 0.736 |
 Albumin (g/dL) | 38.61 ± 4.95 | 38.12 ± 4.02 | 38.68 ± 5.05 | -1.402 | 0.164 |
 NAR(109/L) | 0.11 ± 0.06 | 0.12 ± 0.09 | 0.10 ± 0.06 | 2.117 | 0.037 |
 NLR(109/L) | 3.05 ± 2.88 | 3.65 ± 3.19 | 2.98 ± 2.83 | 2.116 | 0.037 |
 PLR(109/L) | 0.11 ± 0.06 | 0.11 ± 0.06 | 0.10 ± 0.06 | 16.651 | < 0.001 |