Table 5.

Correlation coefficients between types of surgery and covariates before and after weighting with propensity scores– types of surgery

Variables	Type	Uncorrected	Corrected	Status
Age	Continuous	0.161	−0.043	balanced
Cumulative flying time	Binary	−0.270	−0.240	balanced
Continuous near-work time	Binary	−0.372	−0.266	unbalanced
AA	Continuous	−0.453	−0.285	unbalanced
PRA	Continuous	−0.061	−0.045	balanced
Postoperative period	Binary	0.002	−0.127	balanced
Spherical equivalent	Continuous	−0.632	−0.425	unbalanced
UCVA	Continuous	−0.623	−0.360	unbalanced
Age at surgery	Continuous	−0.129	−0.150	balanced
IOP	Binary	0.010	0.025	balanced