Table 3 Factors associated with postoperative refractive surprise: univariate and multivariate logistic regression

 Age (≤ 60/ > 60)

2.88 (0.35–23.78, 0.327)

2.24 (0.27–18.93, 0.459)

 Sex (Men/Women)^a

1.59 (0.39–6.36, 0.518)

0.69 (0.17–2.72, 0.592)

 Pretreatment of DED (No/Yes)

0.19 (0.04–0.91, 0.038)^a

0.11 (0.01–0.88, 0.038)^a

 AL (22–24.99/< 22 or ≥ 25)

0.94 (0.43–5.42, 0.938)

0.51 (0.06–4.30, 0.533)

 Mean K (42–44.99/<  42 or ≥ 45)

1.18 (0.34–4.13, 0.801)

3.05 (0.72–12.94, 0.130)

 Age (≤ 60/>  60)

2.49 (0.28–22.43, 0.415)

2.75 (0.26–28.73, 0.397)

 Sex (Men/Women)

1.61 (0.37–6.92, 0.524)

0.67 (0.15–3.11, 0.672)

 Pretreatment of DED (No/Yes)

0.18 (0.05–0.71, 0.036)^a

0.08 (0.01–0.72, 0.024)^a

 AL (22–24.99/<  22 or ≥ 25)

0.76 (0.13–4.29, 0.752)

0.30 (0.03–2.99, 0.307)

 Mean K (42–44.99/<  42 or ≥ 45)

1.39 (0.37–5.21, 0.628)

4.53 (0.95–21.65, 0.058)