Table 1.
Baseline bivariate comparison of training and test cohort.
| Demographic characteristics | Training cohort Total | Incident alive | Incident death | P valuea | Test cohort Total | Incident death | P-valuea | |
|---|---|---|---|---|---|---|---|---|
| Age | 68.5 (57-77) | 68 (57-76) | 72 (60-82) | <0.001 | 69 (56-76) | 68.5 (56-76) | 71 (59-83) | <0.001 |
| Gender (male/female) | 585/421 | 512/385 | 73/36 | 0.048 | 268/185 | 238/174 | 30/11 | 0.056 |
| BMI (kg/m2) | 23.6 (22.0-24.9) | 23.6 (21.8-24.9) | 24.2 (22.4-25.0) | 0.219 | 23.2 (21.8-25.4) | 23.2 (21.7-25.4) | 23.9 (22.0-25.8) | 0.096 |
| Clinical characteristics | ||||||||
| Smoking (yes/no) | 245/761 | 212/685 | 33/76 | 0.127 | 118/335 | 102/310 | 16/25 | 0.047 |
| Baseline NIHSS | 6 (3-10) | 6 (3-10) | 6 (2.75-10) | 0.014 | 9 (3-17) | 8 (3-16) | 9 (3-17) | 0.005 |
| Therapy of thrombolysis | ||||||||
| Present | 101 (10.0) | 97 (10.8) | 4 (3.7) | 0.030 | 35 (7.7) | 33 (8.0) | 2 (4.9) | 0.474 |
| Absent | 905 (90.0) | 800 (89.2) | 105 (96.3) | 418 (92.3) | 379 (92.0) | 39 (95.1) | ||
| Endovascular intervention | ||||||||
| Present | 42 (4.2) | 40 (4.5) | 2 (1.8) | 0.196 | 13 (2.9) | 12 (2.9) | 1 (2.4) | 0.862 |
| Absent | 964 (95.8) | 857 (95.5) | 107 (98.2) | 440 (97.1) | 400 (97.1) | 40 (97.6) | ||
| Laboratory characteristics | ||||||||
| TG (mmol/L) | 1.34 (1.02-1.96) | 1.37 (1.04-2.00) | 1.13 (0.81-1.48) | <0.001 | 1.30 (1.01-1.96) | 1.34 (1.01-2.00) | 1.22 (0.83-1.65) | 0.004 |
| TC (mmol/L) | 4.85 (4.19-5.53) | 4.88 (4.24-5.53) | 4.44 (3.94-5.44) | 0.022 | 4.88 (4.19-5.55) | 4.91 (4.20-5.67) | 4.44 (4.08-5.36) | 0.108 |
| HDL-C (mmol/L) | 1.23 (1.10-1.47) | 1.23 (1.10-1.46) | 1.29 (1.13-1.57) | 0.041 | 1.25 (1.08-1.48) | 1.25 (1.08-1.47) | 1.31 (1.13-1.55) | 0.186 |
| LDL-C (mmol/L) | 2.86 (2.48-3.41) | 2.89 (2.50-3.43) | 2.72 (2.33-3.28) | 0.017 | 2.87 (2.51-3.47) | 2.90 (2.51-3.47) | 2.79 (2.51-3.42) | 0.106 |
| TG/HDL-C | 1.06 (0.78-1.61) | 1.09 (0.81-1.65) | 0.79 (0.65-1.08) | <0.001 | 1.04 (0.77-1.59) | 1.08 (0.78-1.64) | 0.84 (0.65-1.14) | 0.007 |
BMI, body mass index; NIHSS, NIH Stroke Scale; Triglycerides; TC, total cholesterol; HDL-C, high-density lipoprotein cholesterol; LDL-C, low-density lipoprotein cholesterol; TG/HDL-C, TG to HDL-C ratio Values are medians (interquartile range) or frequencies and percentages. Statistically significant results were in bold.
a
χ2 test or Mann-Whitney U test.