Table 3.
Univariate logistic regression analysis of patients with or without all-cause mortality at 1 year after MIS
| Variables | Overall 1121 |
Death N = 37 (3.3%) |
No death N = 1084 (96.7%) |
OR (95% CI) | P value |
|---|---|---|---|---|---|
| Demographic information | |||||
| Age, median (IQR), year | 64.0 (56.0–74.0) | 75.0 (65.0–80.0) | 64.0 (55.0–73.0) | 1.07 (1.04–1.11) | 0.001 |
| Male, n% | 697 (62.2) | 28 (75.7) | 669 (61.7) | 1.91 (0.90–4.04) | 0.092 |
| BMI on admission, kg/m2 | 23.9 (22.2–25.6) | 23.7 (21.5–24.8) | 24.0 (22.2–25.6) | 0.93 (0.83–1.04) | 0.179 |
| Education level, n (%) | 0.494 | ||||
| elementary or below | 446 (39.8) | 15 (40.5) | 431 (39.8) | Ref. | – |
| middle school | 234 (20.9) | 5 (13.5) | 229 (21.1) | 0.62 (0.23–1.71) | 0.356 |
| high school or above | 441 (39.3) | 17 (45.9) | 424 (39.1) | 1.13 (0.57–2.27) | 0.723 |
| Medical insurance type, n (%) | 0.944 | ||||
| Urban employees’ medical insurance | 591 (52.7) | 21 (56.8) | 570 (52.6) | Ref. | – |
| New type rural cooperative medical system | 414 (36.9) | 13 (35.1) | 401 (37.0) | 0.90 (0.45–1.79) | 0.761 |
| Commercial insurance | 2 (0.2) | 0 (0.0) | 2 (0.2) | 0.00 (0.00-∞) | 0.997 |
| Out-of-pocket medical | 114 (10.2) | 3 (8.1) | 111 (10.2) | 0.74 (0.22–2.47) | 0.622 |
| Vascular risk factors | |||||
| Hypertension, n (%) | 768 (68.5) | 22 (59.5) | 746 (68.8) | 0.66 (0.34–1.28) | 0.219 |
| DM, n (%) | 242 (21.6) | 7 (18.9) | 235 (21.7) | 0.85 (0.37–1.92) | 0.689 |
| Dyslipidemia, n (%) | 77 (6.9) | 1 (2.7) | 76 (7.0) | 0.37 (0.05–2.71) | 0.328 |
| AF, n (%) | 54 (4.8) | 4 (10.8) | 50 (4.6) | 2.39 (0.85–6.75) | 0.099 |
| Smoking, n (%) | 0.272 | ||||
| Never smoking | 665 (59.3) | 19 (51.4) | 646 (59.6) | Ref. | – |
| smoking cessation | 169 (15.1) | 9 (24.3) | 160 (14.8) | 1.92 (0.87–4.24) | 0.107 |
| Current smoking | 287 (25.6) | 9 (24.3) | 278 (25.6) | 1.09 (0.50–2.42) | 0.823 |
| Moderate or heavy alcohol use, n (%) | 271 (24.2) | 6 (16.2) | 265 (24.4) | 0.59 (0.25–1.42) | 0.241 |
| Previous stroke, n (%) | 297 (26.5) | 14 (37.8) | 283 (26.1) | 1.73 (0.89–3.35) | 0.108 |
| PVD, n (%) | 29 (2.6) | 3 (8.1) | 26 (2.4) | 3.42 (1.05–11.15) | 0.041 |
| Pneumonia, n (%) | 25 (2.2) | 4 (10.8) | 21 (1.9) | 6.95 (2.46–19.63) | 0.003 |
| NIHSS score on admission | 1.0 (0.0–2.0) | 2.0 (0.0–3.0) | 1.0 (0.0–2.0) | 1.25 (0.95–1.65) | 0.108 |
| SBP on admission, mmHg | 144.8 ± 20.7 | 146.2 ± 21.2 | 144.8 ± 20.7 | 1.00 (0.99–1.02) | 0.652 |
| DBP on admission, mmHg | 85.7 ± 12.2 | 85.3 ± 13.7 | 85.7 ± 12.1 | 1.00 (0.97–1.02) | 0.853 |
| Heart rate, bmp | 74.3 ± 9.4 | 77.0 ± 7.9 | 74.2 ± 9.4 | 1.03 (1.00–1.06) | 0.061 |
| Laboratory findings | |||||
| Total cholesterol, mmol/L | 4.4 ± 1.0 | 4.2 ± 0.7 | 4.4 ± 1.0 | 0.79 (0.56–1.12) | 0.191 |
| Triglyceride, mmol/L | 1.7 ± 1.2 | 1.4 ± 0.9 | 1.7 ± 1.2 | 0.75 (0.50–1.14) | 0.180 |
| HDL-C, mmol/L | 1.1 ± 0.3 | 1.1 ± 0.3 | 1.1 ± 0.3 | 0.96 (0.33–2.76) | 0.939 |
| LDL-C, mmol/L | 2.6 ± 0.8 | 2.4 ± 0.6 | 2.6 ± 0.9 | 0.72 (0.47–1.10) | 0.132 |
| FBG, mmol/L | 5.8 ± 2.1 | 5.8 ± 2.3 | 5.8 ± 2.1 | 1.01 (0.87–1.17) | 0.909 |
| BUN, mmol/L | 5.0 ± 1.8 | 5.4 ± 1.6 | 5.0 ± 1.8 | 1.11 (0.95–1.29) | 0.196 |
| UA, 10 μmol/L | 291.3 ± 96.0 | 319.1 ± 130.8 | 290.3 ± 94.5 | 1.03 (1.00–1.06) | 0.082 |
| ALP, U/L | 77.6 ± 25.6 | 87.2 ± 43.7 | 77.2 ± 24.7 | 1.01 (1.00–1.02) | 0.012 |
| BPC, ×1011/L | 194.4 ± 58.3 | 181.6 ± 54.1 | 194.8 ± 58.4 | 0.67 (0.37–1.22) | 0.187 |
| LC, ×109/L | 6.7 ± 2.2 | 6.5 ± 2.3 | 6.7 ± 2.2 | 0.97 (0.83–1.13) | 0.699 |
Abbreviations: BMI Body Mass Index, DM Diabetes Mellitus, AF Atrial Fibrillation, PVD Peripheral Vascular Disease, NIHSS National Institutes of Health Stroke Scale, SBP Systolic Blood Pressure, DBP Diastolic Blood Pressure, HLD-C High-Density Lipoprotein Cholesterol, LDL-C low-density lipoprotein cholesterol, FBG Fasting Blood Glucose, BUN Blood Urea Nitrogen, UA Uric Acid, ALP Alkaline Phosphatase, BPC Blood Platelet Count, CI confidence internals, OR odds ratios, IQR interquartile range