Table 2. .
Results of Meta-Analysis of Sex and Presbyopia
|
Category |
n |
Fixed Effects |
Random Effects |
Heterogeneity |
|||||
|
OR |
CIlow |
CIup |
OR |
CIlow |
CIup |
χ2 |
P |
||
| All studies | 9 | 1.21 | 1.08 | 1.36 | 1.19 | 0.95 | 1.48 | 19.74 | 0.01 |
| Near vision prescription studies | 3 | 1.22 | 1.07 | 1.40 | 1.24 | 0.93 | 1.64 | 9.12 | 0.01 |
| Add power studies | 2 | 1.54 | 1.16 | 2.05 | 0.13 | 0.72 | |||
| Accommodative amplitude studies | 4 | 0.72 | 0.49 | 1.07 | 0.95 | 0.81 | |||
CIlow, lower bound of 95% confidence interval; CIup, upper bound of 95% confidence interval; n = number of studies. Random effects model only performed when χ2 > df, where df = number of studies minus one.