Table 2.
Univariate analysis of carotid plaques
| Variables | Statistics | OR (95%CI) | β | P |
|---|---|---|---|---|
| Sex | ||||
| Female | 384 (45.8) | Ref | ||
| Male | 455 (54.2) | 1.50 (1.13, 1.98) | 0.402 | 0.005 |
| Age (years) | 63.6 ± 9.9 | 1.07 (1.05, 1.09) | 0.068 | < 0.001 |
| BMI (kg/m2) | 25.79 ± 3.29 | 0.97 (0.93, 1.01) | − 0.033 | 0.132 |
| SBP (mmHg) | 140.27 ± 14.98 | 1.02 (1.01, 1.03) | 0.021 | < 0.001 |
| DBP (mmHg) | 87.41 ± 9.19 | 1.02 (1.00, 1.03) | 0.016 | 0.033 |
| FBG (mmol/L) | 6.50 ± 2.15 | 1.07 (1.00, 1.14) | 0.069 | 0.035 |
| TG (mmol/L) | 1.53 (1.12–2.18) | 0.95 (0.86, 1.05) | −0.048 | 0.339 |
| TC (mmol/L) | 4.74 ± 0.92 | 1.33 (1.14, 1.54) | 0.282 | < 0.001 |
| LDLc (mmol/L) | 2.58 ± 0.76 | 1.45 (1.20, 1.75) | 0.371 | < 0.001 |
| HDLc (mmol/L) | 1.29 ± 0.34 | 0.93 (0.62, 1.40) | −0.072 | 0.730 |
| non-HDLc (mmol/L) | 3.46 ± 0.90 | 1.36 (1.16, 1.59) | 0.306 | < 0.001 |
| non-HDLc/HDLc | 2.88 ± 1.05 | 1.23 (1.07, 1.40) | 0.204 | 0.003 |
| HCY (μmol/L) | 9.0 (6.0–13.0) | 1.06 (1.04, 1.09) | 0.059 | < 0.001 |
| Region | ||||
| Urban | 428 (51.0) | Ref | ||
| Rural | 411 (49.0) | 1.46 (1.10, 1.92) | 0.376 | 0.008 |
| Education | ||||
| Primary school or under | 307 (36.6) | Ref | ||
| Middle or high school | 441 (52.6) | 0.78 (0.58, 1.04) | −0.253 | 0.094 |
| College and above | 58 (6.9) | 1.11 (0.63, 1.95) | 0.104 | 0.717 |
| Not reported | 33 (3.9) | 0.73 (0.35, 1.53) | −0.317 | 0.403 |
| Employment status | ||||
| Unemployed | 283 (33.7) | Ref | ||
| Employed | 462 (55.1) | 1.03 (0.76, 1.39) | 0.026 | 0.866 |
| Not reported | 94 (11.2) | 1.01 (0.63, 1.62) | 0.006 | 0.981 |
| Overweight | ||||
| No | 439 (52.3) | Ref | ||
| Yes | 400 (47.7) | 0.83 (0.63, 1.09) | −0.190 | 0.178 |
| Lack of exercise | ||||
| No | 377 (44.9) | Ref | ||
| Yes | 462 (55.1) | 0.70 (0.53, 0.93) | −0.355 | 0.012 |
| Smoking | ||||
| No | 497 (59.2) | Ref | ||
| Yes | 342 (40.8) | 1.57 (1.18, 2.07) | 0.449 | 0.002 |
| Family history of stroke | ||||
| No | 663 (79.0) | Ref | ||
| Yes | 176 (21.0) | 1.08 (0.77, 1.51) | 0.073 | 0.670 |
| History of stroke | ||||
| No | 663 (79.0) | Ref | ||
| Yes | 176 (21.0) | 1.67 (1.19, 2.33) | 0.512 | 0.003 |
| History of TIA | ||||
| No | 800 (95.4) | Ref | ||
| Yes | 39 (4.7) | 1.41 (0.74, 2.68) | 0.344 | 0.295 |
| Heart diseases | ||||
| No | 635 (75.7) | Ref | ||
| Yes | 204 (24.3) | 1.21 (0.88, 1.66) | 0.189 | 0.246 |
| Hypertension | ||||
| No | 104 (12.4) | Ref | ||
| Yes | 735 (87.6) | 2.13 (1.34, 3.38) | 0.755 | 0.001 |
| Type 2 diabetes | ||||
| No | 583 (69.5) | Ref | ||
| Yes | 256 (30.5) | 1.23 (0.91, 1.66) | 0.207 | 0.172 |
| Current antilipidaemic medication | ||||
| No | 750 (89.4) | Ref | ||
| Yes | 89 (10.6) | 1.49 (0.96, 2.32) | 0.400 | 0.075 |
| High HCY | ||||
| No | 708 (84.4) | Ref | ||
| Yes | 131 (15.6) | 2.40 (1.64, 3.51) | 0.875 | < 0.001 |
Continuous data are shown as the mean ± standard deviation or median (interquartile), and categorical data are shown as n (%)
OR odds ratio, CI confidence interval, β regression coefficient, Ref reference