Table 2.
Univariate logistic regression analysis of patients with or without stroke disability at 1 year after MIS
| Variables | Overall N = 1121 |
Disability N = 104 (9.3%) | No disability N = 1017 (90.7%) |
OR (95% CI) | P value |
|---|---|---|---|---|---|
| Demographic information | |||||
| Age, median (IQR), year | 64.0 (56.0–74.0) | 76.0 (66.0–80.2) | 63.0 (55.0–72.0) | 1.08 (1.06–1.10) | 0.001 |
| Male, n% | 697 (62.2) | 71 (68.3) | 626 (61.6) | 1.32 (0.87–1.99) | 0.189 |
| BMI on admission, kg/m2 | 23.9 (22.2–25.6) | 23.7 (21.6–25.2) | 24.0 (22.2–25.6) | 0.94 (0.88–1.00) | 0.058 |
| Education level, n (%) | 0.052 | ||||
| elementary or below | 446 (39.8) | 52 (50.0) | 394 (38.7) | Ref. | – |
| middle school | 234 (20.9) | 11 (10.6) | 223 (21.9) | 0.40 (0.21–1.06) | 0.055 |
| high school or above | 441 (39.3) | 41 (39.4) | 400 (39.3) | 0.79 (0.52–1.19) | 0.254 |
| Medical insurance type, n(%) | 0.919 | ||||
| Urban employees’ medical insurance | 591 (52.7) | 53 (51.0) | 538 (52.9) | Ref. | – |
| New type rural cooperative medical system | 414 (36.9) | 41 (39.4) | 373 (36.7) | 1.12 (0.75–1.69) | 0.573 |
| Commercial insurance | 2 (0.2) | 0 (0.0) | 2 (0.2) | 0.00 (0.00-∞) | 0.996 |
| Out-of-pocket medical | 114 (10.2) | 10 (9.6) | 104 (10.2) | 0.97 (0.49–1.91) | 0.931 |
| Vascular risk factors | |||||
| Hypertension, n (%) | 768 (68.5) | 74 (71.2) | 694 (68.2) | 1.11 (0.73–1.70) | 0.622 |
| DM, n (%) | 242 (21.6) | 27 (26.0) | 215 (21.1) | 1.27 (0.82–1.97) | 0.289 |
| Dyslipidemia, n (%) | 77 (6.9) | 6 (5.8) | 71 (7.0) | 0.81 (0.36–1.86) | 0.625 |
| AF, n (%) | 54 (4.8) | 8 (7.7) | 46 (4.5) | 1.67 (0.81–3.44) | 0.163 |
| Smoking, n (%) | 0.053 | ||||
| Never smoking | 665 (59.3) | 65 (62.5) | 600 (59.0) | Ref. | – |
| Smoking cessation | 169 (15.1) | 22 (21.2) | 147 (14.5) | 1.37 (0.85–2.23) | 0.198 |
| Current smoking | 287 (25.6) | 17 (16.3) | 270 (26.5) | 0.60 (0.35–1.03) | 0.063 |
| Moderate or heavy alcohol use, n (%) | 271 (24.2) | 19 (18.5) | 198 (19.5) | 0.89 (0.69–1.32) | 0.010 |
| Previous stroke, n (%) | 297 (26.5) | 40 (38.5) | 257 (25.3) | 1.78 (1.20–2.64) | 0.004 |
| PVD, n (%) | 29 (2.6) | 4 (3.8) | 25 (2.5) | 1.57 (0.58–4.26) | 0.378 |
| Pneumonia, n (%) | 25 (2.2) | 12 (11.5) | 13 (1.3) | 7.58 (4.15–13.84) | 0.001 |
| NIHSS score on dmission | 1.0 (0.0–2.0) | 2.0 (0.0–3.0) | 1.0 (0.0–2.0) | 1.28 (1.08–1.50) | 0.004 |
| SBP on admission, mmHg | 144.8 ± 20.7 | 146.8 ± 22.2 | 144.6 ± 20.6 | 1.00 (1.00–1.01) | 0.297 |
| DBP on admission, mmHg | 85.7 ± 12.2 | 84.7 ± 14.9 | 85.8 ± 11.9 | 0.99 (0.98–1.01) | 0.390 |
| Heart rate, bmp | 74.3 ± 9.4 | 75.5 ± 9.0 | 74.1 ± 9.4 | 1.01 (0.99–1.03) | 0.154 |
| Laboratory findings | |||||
| Total cholesterol, mmol/L | 4.4 ± 1.0 | 4.4 ± 1.0 | 4.4 ± 1.0 | 0.95 (0.78–1.15) | 0.598 |
| Triglyceride, mmol/L | 1.7 ± 1.2 | 1.6 ± 1.0 | 1.7 ± 1.2 | 0.94 (0.78–1.13) | 0.511 |
| HDL-C, mmol/L | 1.1 ± 0.3 | 1.2 ± 0.4 | 1.1 ± 0.3 | 1.19 (0.65–2.18) | 0.565 |
| LDL-C, mmol/L | 2.6 ± 0.8 | 2.6 ± 0.8 | 2.6 ± 0.9 | 0.92 (0.72–1.17) | 0.482 |
| FBG, mmol/L | 5.8 ± 2.1 | 6.1 ± 2.7 | 5.7 ± 2.1 | 1.07 (0.99–1.16) | 0.099 |
| BUN, mmol/L | 5.0 ± 1.8 | 5.7 ± 1.9 | 4.9 ± 1.8 | 1.17 (1.08–1.27) | 0.001 |
| UA, 10 μmol/L | 291.3 ± 96.0 | 301.6 ± 114.1 | 290.2 ± 94.0 | 1.01 (0.99–1.03) | 0.296 |
| ALP, U/L | 77.6 ± 25.6 | 80.6 ± 34.5 | 77.2 ± 24.5 | 1.01 (1.00–1.01) | 0.165 |
| BPC, ×1011/L | 194.4 ± 58.3 | 189.7 ± 55.1 | 194.8 ± 58.6 | 0.86 (0.60–1.23) | 0.386 |
| Leukocyte count, ×109/L | 6.7 ± 2.2 | 7.2 ± 2.8 | 6.6 ± 2.2 | 1.09 (1.01–1.17) | 0.024 |
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