Table 4.
There was no significant difference according to sex, WML, and positive thorax CT findings between participants in the PWI and nonPWI groups (p > 0.05).
| Levene’s Test for Equality of Variances | t-test for Equality of Means | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| 95% Confidence Interval of the Difference | ||||||||||
| F | Sig. | t | df | Sig. (2-tailed) | Mean Difference | Std. Error Difference | Lower | Upper | ||
| sex | Equal variances assumed | .457 | .500 | .325 | 215 | .746 | .029 | .090 | −.148 | .206 |
| Equal variances not assumed | .323 | 53.548 | .748 | .029 | .090 | −.152 | .210 | |||
| WML | Equal variances assumed | .550 | .461 | .925 | 69 | .358 | .28522 | .30847 | −.33016 | .90060 |
| Equal variances not assumed | .936 | 51.168 | .354 | .28522 | .30471 | −.32646 | .89689 | |||
| thorax_CT | Equal variances assumed | .063 | .802 | 1.199 | 215 | .232 | .28668 | .23903 | −.18447 | .75783 |
| Equal variances not assumed | 1.185 | 53.226 | .241 | .28668 | .24193 | −.19852 | .77188 | |||