Table 2 Comparison of the incidence rate of astigmatism between the two groups
From: Multivariate analysis of the effect of Chalazia on astigmatism in children
Chalazion | Total | Astigmatism | χ2 | P | |
|---|---|---|---|---|---|
Yes | No | ||||
Yes | 491 | 211 | 280 | 20.062 | 0.000* |
No | 305 | 83 | 222 | ||
Total | 796 | 294 | 502 | ||