Table 1 Characteristics of the study patients
Variables | Total (n = 537) | Poor outcome | Statistics | P | |
|---|---|---|---|---|---|
No (n = 404) | Yes (n = 133) | ||||
Gender, n (%) | χ2 = 4.117 | 0.042 | |||
Male | 357 (66.48) | 259 (64.11) | 98 (73.68) | ||
Female | 180 (33.52) | 145 (35.89) | 35 (26.32) | ||
Age (year), mean ± SD, | 65.39 ± 7.66 | 65.78 ± 7.25 | 64.20 ± 8.71 | t = 1.89 | 0.060 |
BMI (kg/m2), mean ± SD | 24.97 ± 3.22 | 24.75 ± 3.19 | 25.64 ± 3.21 | t = -2.78 | 0.006 |
Smoking, n (%) | χ2 = 0.841 | 0.359 | |||
No | 317 (59.03) | 243 (60.15) | 74 (55.64) | ||
Yes | 220 (40.97) | 161 (39.85) | 59 (44.36) | ||
Drinking, n (%) | χ2 = 1.279 | 0.258 | |||
No | 358 (66.67) | 264 (65.35) | 94 (70.68) | ||
Yes | 179 (33.33) | 140 (34.65) | 39 (29.32) | ||
Hypertension, n (%) | χ2 = 8.889 | 0.003 | |||
No | 204 (37.99) | 139 (34.41) | 65 (48.87) | ||
Yes | 333 (62.01) | 265 (65.59) | 68 (51.13) | ||
Diabetes, n (%) | χ2 = 5.582 | 0.018 | |||
No | 356 (66.29) | 279 (69.06) | 77 (57.89) | ||
Yes | 181 (33.71) | 125 (30.94) | 56 (42.11) | ||
Hyperlipidemia, n (%) | χ2 = 0.170 | 0.680 | |||
No | 516 (96.09) | 389 (96.29) | 127 (95.49) | ||
Yes | 21 (3.91) | 15 (3.71) | 6 (4.51) | ||
Cerebrovascular disease, n (%) | χ2 = 0.309 | 0.578 | |||
No | 425 (79.14) | 322 (79.70) | 103 (77.44) | ||
Yes | 112 (20.86) | 82 (20.30) | 30 (22.56) | ||
Chronic nephrosis, n (%) | χ2 = 3.005 | 0.083 | |||
No | 527 (98.14) | 399 (98.76) | 128 (96.24) | ||
Yes | 10 (1.86) | 5 (1.24) | 5 (3.76) | ||
Chronic obstructive pulmonary disease, n (%) | χ2 = 0.745 | 0.388 | |||
No | 526 (97.95) | 397 (98.27) | 129 (96.99) | ||
Yes | 11 (2.05) | 7 (1.73) | 4 (3.01) | ||
Comorbidity, n (%) | χ2 = 2.022 | 0.155 | |||
No | 275 (51.21) | 214 (52.97) | 61 (45.86) | ||
Yes | 262 (48.79) | 190 (47.03) | 72 (54.14) | ||
Surgery methods, n (%) | χ2 = 5.169 | 0.023 | |||
Off-Pump | 296 (55.12) | 234 (57.92) | 62 (46.62) | ||
On-Pump | 241 (44.88) | 170 (42.08) | 71 (53.38) | ||
LVEF (%), n (%) | χ2 = 31.711 | < 0.001 | |||
Poor (< 30%) | 67 (12.48) | 47 (11.63) | 20 (15.04) | ||
Moderate (30-50%) | 93 (17.32) | 50 (12.38) | 43 (32.33) | ||
Normal (> 50%) | 377 (70.20) | 307 (75.99) | 70 (52.63) | ||
VIS, M (Q1, Q3) | 0.00 (0.00,4.00) | 0.00 (0.00,0.00) | 4.10 (0.00,6.19) | Z = 7.562 | < 0.001 |
VVR, M (Q1, Q3) | 8.00 (4.00,14.00) | 7.00 (2.00,12.00) | 12.00 (6.00,20.00) | Z = 6.410 | < 0.001 |
M-VVR, M (Q1, Q3) | 99.96 (83.97,118.34) | 96.91 (82.41,113.14) | 108.53 (89.74,133.13) | Z = 4.196 | < 0.001 |
SinoSCORE, n (%) | 55.31 ± 8.11 | 56.52 ± 6.94 | 51.47 ± 10.14 | t = 4.94 | < 0.001 |
≤ 1 | χ2 = 5.137 | 0.077 | |||
2–5 | 210 (39.11) | 162 (40.10) | 48 (36.09) | ||
≥ 6 | 119 (22.16) | 96 (23.76) | 23 (17.29) | ||