Table 2 Preliminary analysis of the preoperative corneal astigmatism orientation groups. (non-average axial length eyes, i.e., eyes with an axial length less than or equal to 22.0 mm or greater than or equal to 25.0 mm)
Descriptive statistics | ||||
|---|---|---|---|---|
Mean (M) | Sample size (N) | Std. deviation (SD) | Std. error mean (SEM) | |
Group 1 (ATR) | 0.836 | 20 | 0.539 | 0.121 |
Group 2 (WTR) | 0.839 | 21 | 0.452 | 0.098 |
Group 3 (OB) | 0.768 | 10 | 0.483 | 0.153 |