Table 4 Carotid atherosclerosis in relation to hemoglobin A1c (HbA1c) levels in subjects not taking medication
HbA 1c level quintiles | |||||
|---|---|---|---|---|---|
Q1 (low) | Q2 | Q3 | Q4 | Q5 (high) | |
Total subject | |||||
No. at risk | 168 | 180 | 216 | 192 | 138 |
No. of cases (percentage) | 51 (30.4) | 54 (30.0) | 51 (23.6) | 54 (28.1) | 46 (33.3) |
Age-adjusted odds ratio (OR) | 1.42 (0.89 to 2.26) | 1.35 (0.85 to 2.13) | 1.00 | 1.26 (0.80 to 1.98) | 1.62 (1.00 to 2.63) |
Multivariable OR | 1.36 (0.84 to 2.20) | 1.44 (0.89 to 2.33) | 1.00 | 1.30 (0.80 to 2.10) | 1.58 (0.94 to 2.66) |
Low body mass index (BMI) | |||||
No. at risk | 92 | 91 | 111 | 78 | 50 |
No. of cases (percentage) | 33 (35.9) | 29 (31.9) | 20 (18.0) | 19 (24.4) | 10 (20.0) |
Age-adjusted OR | 2.40 (1.24 to 4.67) | 2.04 (1.03 to 4.01) | 1.00 | 1.42 (0.69 to 2.91) | 1.13 (0.48 to 2.67) |
Multivariable OR | 2.29 (1.12 to 4.66) | 2.15 (1.05 to 4.39) | 1.00 | 1.50 (0.67 to 3.33) | 0.99 (0.39 to 2.53) |
High BMI | |||||
No. at risk | 76 | 89 | 105 | 114 | 88 |
No. of cases (percentage) | 18 (23.7) | 25 (28.1) | 31 (29.5) | 35 (30.7) | 36 (40.9) |
Age-adjusted OR | 0.80 (0.41 to 1.59) | 0.93 (0.49 to 1.74) | 1.00 | 1.07 (0.59 to 1.92) | 1.66 (0.90 to 3.05) |
Multivariable OR | 0.68 (0.33 to 1.41) | 1.09 (0.55 to 2.16) | 1.00 | 1.19 (0.64 to 2.21) | 2.01 (1.04 to 3.90) |