Table 1 Basic information of the participants
From: The influence of CYP1A1 and CYP1A2 polymorphisms on stroke risk in the Chinese population
Characteristics | Cases N(%) | Controls N(%) | P-value |
|---|---|---|---|
Number | 477 | 480 | |
Gender, no, % | 0.735a | ||
Male | 316 (66.2%) | 313 (65.2%) | |
Female | 161 (33.8%) | 167 (34.8%) | |
Age, year (mean ± SD) | 64.13 ± 10.82 | 63.69 ± 6.69 | 0.442b |
> 64 | 229 (48.0%) | 195 (40.6%) | |
≤ 64 | 248 (51.7%) | 285 (59.4%) | |
Hypertension | |||
Yes | 340 (71%) | ||
No | 137 (29%) | ||
Coronary heart disease | |||
Yes | 103 (22%) | ||
No | 374 (78%) | ||
Cerebral infarction | |||
Yes | 360 (75%) | ||
No | 117 (25%) | ||
Lacunar infarction | |||
Yes | 102 (21%) | ||
No | 375 (79%) | ||