Table 1 Characteristics at baseline between included and excluded children
From: Prediction of premyopia and myopia in Chinese preschool children: a longitudinal cohort
| Baseline Characteristics |
Included Children (N = 830) |
Excluded Children (N = 571) | P* Value |
|---|---|---|---|
| Boy: Girl | 433:397 | 300:271 | 0.891 |
| Age (month) | 40.83 ± 3.43 | 40.97 ± 3.31 | 0.446 |
| Height (cm) | 100.25 ± 4.37 | 100.46 ± 4.32 | 0.365 |
| Weight (kg) | 15.88 ± 2.43 | 15.80 ± 2.24 | 0.566 |
| CP (diopter) | 43.44 ± 1.42 | 43.46 ± 1.43 | 0.803 |
| AL (mm) | 21.90 ± 0.65 | 21.86 ± 0.62 | 0.240 |
| AL/CR | 2.82 ± 0.06 | 2.81 ± 0.06 | 0.246 |