Table 1 Characteristics of included patients
In-hospital mortality | |||||
|---|---|---|---|---|---|
Variables | Total (n = 768) | No (n = 615) | Yes (n = 153) | Statistics | P |
WHR, n (%) | χ2 = 40.478 | < 0.001 | |||
< 1.4 | 571 (74.35) | 488 (79.35) | 83 (54.25) | ||
> = 1.4 | 197 (25.65) | 127 (20.65) | 70 (45.75) | ||
PLR, n (%) | χ2 = 21.601 | < 0.001 | |||
< 1.4 | 603 (78.52) | 504 (81.95) | 99 (64.71) | ||
> = 1.4 | 165 (21.48) | 111 (18.05) | 54 (35.29) | ||
Age, year, Mean ± SD | 68.17 ± 10.39 | 68.03 ± 10.31 | 68.75 ± 10.73 | t = -0.76 | 0.446 |
Race, n (%) | χ2 = 0.051 | 0.822 | |||
White | 648 (84.38) | 518 (84.23) | 130 (84.97) | ||
Other | 120 (15.63) | 97 (15.77) | 23 (15.03) | ||
BMI, kg/m2, Mean ± SD | 26.01 ± 6.43 | 26.03 ± 6.34 | 25.92 ± 6.79 | t = 0.19 | 0.852 |
Heart rate, times/minute, Mean ± SD | 99.60 ± 23.46 | 97.69 ± 23.04 | 107.25 ± 23.62 | t = -4.57 | < 0.001 |
Respiratory rate, breaths/minute, Mean ± SD | 21.56 ± 6.43 | 21.34 ± 6.32 | 22.43 ± 6.81 | t = -1.88 | 0.061 |
SBP, mmHg, Mean ± SD | 121.76 ± 28.10 | 123.01 ± 28.47 | 116.73 ± 26.09 | t = 2.48 | 0.013 |
DBP, mmHg, Mean ± SD | 68.89 ± 17.18 | 69.56 ± 16.86 | 66.21 ± 18.23 | t = 2.17 | 0.031 |
Temperature, °C, Mean ± SD | 36.79 ± 0.74 | 36.79 ± 0.69 | 36.76 ± 0.92 | t = 0.32 | 0.747 |
Creatinine, mg/dL, M (Q1, Q3) | 0.90 (0.69, 1.30) | 0.89 (0.69, 1.23) | 1.03 (0.70, 1.52) | Z = 2.482 | 0.013 |
BUN, mg/dL, M (Q1, Q3) | 19.00 (13.00, 29.00) | 18.00 (13.00, 26.00) | 25.00 (17.00, 38.00) | Z = 5.553 | < 0.001 |
Glucose, mg/dl, M (Q1, Q3) | 133.00 (106.00, 168.00) | 132.00 (106.00, 161.00) | 138.00 (107.00, 180.00) | Z = 1.344 | 0.179 |
Bicarbonate, mmol/L, Mean ± SD | 25.41 ± 5.27 | 25.47 ± 5.08 | 25.17 ± 5.99 | t = 0.56 | 0.574 |
Sodium, mmol/L, Mean ± SD | 136.16 ± 5.89 | 136.24 ± 5.85 | 135.85 ± 6.05 | t = 0.73 | 0.467 |
Potassium, mmol/L, Mean ± SD | 4.19 ± 0.71 | 4.16 ± 0.68 | 4.33 ± 0.79 | t = -2.46 | 0.015 |
Chloride, mmol/L, Mean ± SD | 100.91 ± 6.88 | 101.12 ± 6.99 | 100.05 ± 6.35 | t = 1.72 | 0.086 |
CAD, n (%) | χ2 = 2.163 | 0.141 | |||
No | 491 (63.93) | 401 (65.20) | 90 (58.82) | ||
Yes | 277 (36.07) | 214 (34.80) | 63 (41.18) | ||
CHF, n (%) | χ2 = 0.000 | 0.985 | |||
No | 683 (88.93) | 547 (88.94) | 136 (88.89) | ||
Yes | 85 (11.07) | 68 (11.06) | 17 (11.11) | ||
AF, n (%) | χ2 = 3.810 | 0.051 | |||
No | 638 (83.07) | 519 (84.39) | 119 (77.78) | ||
Yes | 130 (16.93) | 96 (15.61) | 34 (22.22) | ||
RF, n (%) | χ2 = 15.271 | < 0.001 | |||
No | 666 (86.72) | 548 (89.11) | 118 (77.12) | ||
Yes | 102 (13.28) | 67 (10.89) | 35 (22.88) | ||
Diabetes, n (%) | χ2 = 0.111 | 0.739 | |||
No | 659 (85.81) | 529 (86.02) | 130 (84.97) | ||
Yes | 109 (14.19) | 86 (13.98) | 23 (15.03) | ||
Hypertension, n (%) | χ2 = 0.743 | 0.389 | |||
No | 608 (79.17) | 483 (78.54) | 125 (81.70) | ||
Yes | 160 (20.83) | 132 (21.46) | 28 (18.30) | ||
Chronic kidney disease, n (%) | χ2 = 0.025 | 0.876 | |||
No | 731 (95.18) | 585 (95.12) | 146 (95.42) | ||
Yes | 37 (4.82) | 30 (4.88) | 7 (4.58) | ||
Ventilation, n (%) | χ2 = 36.636 | < 0.001 | |||
No | 585 (76.17) | 497 (80.81) | 88 (57.52) | ||
Yes | 183 (23.83) | 118 (19.19) | 65 (42.48) | ||
RRT, n (%) | - | 0.768 | |||
No | 750 (97.66) | 601 (97.72) | 149 (97.39) | ||
Yes | 18 (2.34) | 14 (2.28) | 4 (2.61) | ||
Vasopressor, n (%) | χ2 = 32.960 | < 0.001 | |||
No | 637 (82.94) | 534 (86.83) | 103 (67.32) | ||
Yes | 131 (17.06) | 81 (13.17) | 50 (32.68) | ||
APACHE score, M (Q1,Q3) | 58.00 (46.00, 75.00) | 55.00 (44.00, 70.00) | 74.00 (58.00, 88.00) | Z = 7.884 | < 0.001 |
Sedative, n (%) | χ2 = 3.180 | 0.075 | |||
No | 732 (95.31) | 582 (94.63) | 150 (98.04) | ||
Yes | 36 (4.69) | 33 (5.37) | 3 (1.96) | ||
Opioid, n (%) | χ2 = 2.163 | 0.141 | |||
No | 491 (63.93) | 401 (65.20) | 90 (58.82) | ||
Yes | 277 (36.07) | 214 (34.80) | 63 (41.18) | ||
Tumor type, n (%) | χ2 = 3.605 | 0.307 | |||
Primary lung cancer | 570 (74.22) | 462 (75.12) | 108 (70.59) | ||
Denocarcinoma | 68 (8.85) | 50 (8.13) | 18 (11.76) | ||
Squamous cell carcinoma | 61 (7.94) | 51 (8.29) | 10 (6.54) | ||
Others | 69 (8.98) | 52 (8.46) | 17 (11.11) | ||
ICU stay time, min, M (Q1, Q3) | 4111.00 (2517.50, 7089.00) | 3867.00 (2434.00, 6835.00) | 5309.00 (3182.00, 8956.00) | Z = 4.205 | < 0.001 |