Research Article

Longitudinal Average Glucose Levels and Variance and Risk of Stroke: A Chinese Cohort Study

Table 1

Baseline characteristics of the study participants.

Total (N = 12,321)Participants without diabetes (N = 11,310)Participants with diabetes (N = 1,011) value

Age60.8 ± 10.260.8 ± 10.361.3 ± 9.60.1173
Female sex6,614 (53.7)6,073 (53.7)541 (53.51)0.9103
BMI23.6 ± 3.123.5 ± 3.124.8 ± 3.3<.0001
Systolic blood pressure (mmHg)141 ± 20.4140.4 ± 20.2148.2 ± 20.5<0.0001
Diastolic blood pressure (mmHg)84.1 ± 12.383.8 ± 12.386.7 ± 12.4<0.0001
Fasting plasma glucose (mg/dL)106.7 ± 21.9102.5 ± 11.5154 ± 43.8<0.0001
Total cholesterol (mg/dL)185.1 ± 34.3184.7 ± 33.8189.7 ± 39<0.0001
LDL-C (mg/dL)100.6 ± 26.7100.3 ± 26.5103.9 ± 28.3<0.0001
HDL-C (mg/dL)57.9 ± 15.658.3 ± 15.653.8 ± 14.6<0.0001
Triglycerides (mg/dL)120.3 ± 85.8117.5 ± 81.5152.3 ± 119.7<0.0001
Education level (no formal education)6,096 (49.5)5,605 (49.6)491 (48.6)0.3049
Smoke0.4424
 Never smoked8,284 (67.2)7,590 (67.1)694 (68.6)
 Current smoker3,056 (24.8)2,822 (24.9)234 (23.2)
 Former smoker981 (8)898 (7.9)83 (8.2)
Alcohol drinking2,801 (22.7)2,578 (22.8)223 (22.1)0.5924
Regular exercise5,332 (43.3)4,849 (42.9)483 (47.8)0.0026
Hypertension6,339 (51.4)5,625 (49.7)714 (70.6)<0.0001
High cholesterol3,712 (30.1)3,350 (29.6)362 (35.8)<0.0001

Continuous variables are expressed as mean ± SD or as median (interquartile range). Categorical variables are expressed as frequency (percentage).