Table 3.

Correlation coefficients between age and covariates before and after weighting with propensity scores– age

Variables	Type	Uncorrected	Corrected	Status
Cumulative flying time	Binary	−0.693	−0.242	balanced
Continuous near-work time	Binary	−0.015	−0.005	balanced
AA	Continuous	−0.363	−0.127	balanced
PRA	Continuous	−0.170	−0.059	balanced
Types of CRS	Binary	0.054	0.022	balanced
Postoperative period	Binary	0.547	0.190	balanced
Spherical equivalent	Continuous	−0.294	−0.104	balanced
UCVA	Continuous	−0.306	−0.108	balanced
Age at surgery	Continuous	0.415	0.143	balanced
IOP	Binary	0.181	0.063	balanced