Table 5 The H-L test results for the training and validation sets.

From: Nomogram for predicting secondary surgery in patients with concomitant exotropia

Time point

Cohort

Chi-square statistic

P-value

1-year

Training Set

8.21

0.412

Validation Set

7.85

0.448

3-year

Training Set

9.34

0.314

Validation Set

8.97

0.345

6-year

Training Set

10.12

0.258

Validation Set

11.05

0.198