Table 7 Analysis of the postoperative SE prediction error according to the preoperative astigmatism orientation groups. (non-average axial length eyes, i.e., eyes with axial lengths 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) | −0.056 | 20 | 0.650 | 0.145 |
Group 2 (WTR) | 0.093 | 21 | 0.499 | 0.110 |
Group 3 (OB) | 0.099 | 10 | 0.551 | 0.174 |