Table 1 The associations between baseline characteristics and PPLOS
Characteristic | Total | PLOS ≥ 11 days | P-value | |
|---|---|---|---|---|
Yes, n = 117 | No, n = 163 | |||
Male sex | 200 (71.4) | 85 (72.6) | 115 (70.6) | 0.40 |
Age (years) | 70.3 ± 5.8 | 70.8 ± 5.4 | 69.9 ± 6.1 | 0.23 |
Age ≥ 75 years | 76 (27.1) | 32 (27.4) | 44 (27.0) | 1.00 |
BMI (kg/m2) | 22.65 ± 2.77 | 22.76 ± 2.63 | 22.57 ± 2.87 | 0.57 |
Hemoglobin level (g/L) | 121 ± 20 | 122 ± 22 | 121 ± 19 | 0.74 |
White blood cell count (× 109/L) | 6.33 ± 1.99 | 6.26 ± 1.83 | 6.39 ± 2.10 | 0.59 |
C-reactive protein level (mg/L) | 2.71 (1.19, 6.00) | 3.26 (1.42, 6.69) | 2.38 (1.01, 5.82) | 0.10 |
Albumin level (g/L) | 39.3 ± 3.8 | 39.3 ± 3.6 | 39.3 ± 3.9 | 0.98 |
SpO2 (%) | 97 (96, 97) | 96 (96, 97) | 97 (96, 97) | 0.008 |
SpO2 < 96% | 36 (12.9) | 22 (18.8) | 14 (8.6) | 0.018 |
ASA physical status (II/III) | 226/54 | 89/28 | 137/26 | 0.12 |
Cardiocerebrovascular events | 35 (12.5) | 16 (13.7) | 19 (11.7) | 0.72 |
Radiotherapy | 22 (7.8) | 6 (5.1) | 16 (9.8) | 0.18 |
Chemotherapy | 41 (14.6) | 17 (14.5) | 24 (14.7) | 1.00 |
Abdominal surgery history | 28 (10.0) | 13 (11.1) | 15 (9.2) | 0.687 |
Weight loss ≥ 10% | 61 (21.8) | 20 (17.1) | 41 (25.2) | 0.14 |
Diabetes mellitus | 34 (12.1) | 12 (10.3) | 22 (13.5) | 0.46 |
T category | 0.89 | |||
T3–T4 | 214 (76.4) | 92 (78.6) | 122 (74.8) | 0.48 |
T4 | 37 (13.2) | 14 (12.0) | 23 (14.1) | 0.72 |
Lymph node metastasis+ | 88 (31.4) | 38 (32.5) | 50 (30.7) | 0.80 |
Distant tumor metastasis+ | 34 (12.1) | 6 (5.1) | 28 (17.2) | 0.003 |
Medical insurance | 209 (74.6) | 83 (70.9) | 126 (77.3) | 0.266 |