Table 1.
The characteristics of all patients (pre-operative)
| The characteristics | All eyes |
|---|---|
| Eyes: n | 2316 |
| Sex: n, (%) | |
| Female | 1610 (69.5%) |
| Male | 706 (30.5%) |
| Age (yrs) | |
| Mean ± SD | 26.4 ± 6.8 |
| Range | (21 to 50) |
| SE (D) | |
| Mean ± SD | − 4.3 ± 2.1 |
| Range | (− 0.5 to − 10.0) |
| K min (D) | |
| Mean ± SD | 43.3 ± 1.7 |
| Range | (38.5 to 48.9) |
| K max(D) | |
| Mean ± SD | 44.8 ± 1.2 |
| Range | (39.9 to 49.6) |
n number, SE spherical equivalent, K min minimum keratometric power, K max maximum keratometric power, yrs years, D diopter, SD standard deviation