Table 3.

Changes in PCS and MCS after LASIK

	Preoperative	1 month	6 months	P-value
Overall subjects
PCS	56.2±6.7	56.7±6.0	55.9±6.9	0.53
MCS	51.0±9.4	52.0±9.8*	51.5±9.6	0.03
Healthy subjects
PCS	57.3±6.6	57.4±5.6	56.7±8.1	0.85
MCS	52.3±9.4	53.3±9.8*	52.2±9.8	0.01

Notes: Data shown as mean ± standard deviation.

^*MCS 1 month after LASIK is significantly higher than preoperative MCS (overall subjects: P=0.03; healthy subjects: P=0.02).

Abbreviations: PCS, physical component summary; MCS, mental component summary; LASIK, laser in situ keratomileusis.