Table 1.
Age- and Sex-Adjusted Baseline Characteristics of Participants According to the Quartiles of Choroidal Thickness, 2017
| Variable | Choroidal Thickness Levels (μm) |
P for Trend | |||
|---|---|---|---|---|---|
| < 138.5 |
138.5–197.8 |
197.9–267.4 |
≥ 267.5 |
||
| (n = 710) | (n = 710) | (n = 711) | (n = 710) | ||
| Age, mean (SE), yrs | 69 (0.4) | 64 (0.4) | 62 (0.4) | 58 (0.4) | < 0.001 |
| Women, % | 58.9 | 57.5 | 54.7 | 52.0 | 0.01 |
| Axial length, mean (SE), mm | 24.6 (0.04) | 24.0 (0.04) | 23.8 (0.04) | 23.3 (0.04) | 0.01 |
| Height, mean (SE), cm | 159.1 (9.1) | 159.2 (9.3) | 158.8 (9.5) | 158.5 (9.2) | < 0.001 |
| Hypertension, % | 47.9 | 49.5 | 46.9 | 45.8 | 0.35 |
| Diabetes mellitus, % | 17.2 | 17.7 | 16.5 | 16.6 | 0.63 |
| Serum total cholesterol, mean (SE), mmol/L | 5.37 (0.03) | 5.38 (0.03) | 5.41 (0.03) | 5.38 (0.03) | 0.69 |
| Smoking habits, % | 47.3 | 44.2 | 44.5 | 49.6 | 0.52 |
| Drinking habits, % | 71.9 | 70.9 | 67.7 | 68.6 | 0.11 |
SE = standard error.
All values are given as the mean or as a percentage adjusted for age and sex.
The mean age was sex-adjusted. Percentage of women was age-adjusted.