Table 1.
Variable | Training cohort | Validation cohort | ||||||||
---|---|---|---|---|---|---|---|---|---|---|
Sample | mRSa ≤ 2 | mRS > 2 | Statistics | p value | Sample | mRS ≤ 2 | mRS > 2 | Statistics | p value | |
Sex | ||||||||||
Male | 255 | 223 (66.97%) | 32 (48.48%) | 8.158 | 0.004 | 139 | 117 (72.67%) | 22 (57.89%) | 3.187 | 0.074 |
Female | 144 | 110 (33.03%) | 34 (51.52%) | 60 | 44 (27.33%) | 16 (42.11%) | ||||
Age | 399 | 67.00 (59.00, 75.00) | −4.941 | < 0.001 | 199 | 65.00 (55.00, 73.30) | 75.50 (63.90, 84.05) | −3.481 | < 0.001 | |
Volume | 399 | 248.00 (108.00, 886.90) | 651.50 (247.00, 3879.60) | −4.569 | < 0.001 | 199 | 1088.22 (322.74, 4928.78) | 7588.60 (975.06, 25,636.15) | −4.008 | < 0.001 |
NIHSSbaseline | ||||||||||
399 | 2.74 ± 2.500 | 4.04 ± 0.309 | 3.662 | < 0.001 | 199 | 3.093 ± 2.353 | 4.034 ± 3.450 | 2.011 | 0.046 | |
NIHSS24h | ||||||||||
399 | 2.97 ± 3.014 | 5.72 ± 5.619 | 5.914 | < 0.001 | 199 | 3.298 ± 2.605 | 5.474 ± 4.898 | 3.812 | < 0.001 | |
Hypertension | ||||||||||
Yes | 248 | 201 (60.36%) | 47 (71.21%) | 2.758 | 0.097 | 125 | 96 (59.63%) | 29 (76.32%) | 3.666 | 0.056 |
No | 151 | 132 (39.64%) | 19 (28.79%) | 74 | 65 (40.37%) | 9 (23.68%) | ||||
Diabetes | ||||||||||
Yes | 107 | 85 (25.53%) | 22 (33.33%) | 1.711 | 0.191 | 48 | 35 (21.74%) | 13 (34.21%) | 2.613 | 0.106 |
No | 292 | 248 (74.47%) | 44 (66.67%) | 151 | 126 (78.26%) | 25 (65.79%) | ||||
Hemorrhage | ||||||||||
Yes | 6 | 2 (0.60%) | 4 (6.06%) | 0.094 | 0.008 | 4 | 1 (0.62%) | 3 (7.89%) | 0.073 | 0.023 |
No | 393 | 331 (99.40%) | 62 (93.94%) | 195 | 160 (99.38%) | 35 (92.11%) |
amRS modified Rankin scale