Oral and general health-related quality of life in patients treated for oral cancer compared to control group

Table 2 Comparison of health-related quality of life (SF-12) between oral cancer survivors (n = 142) and controls (n = 142)

Variable	Cases	Controls	p ^a
Variable	Mean ± sd	Mean ± sd	p ^a
Physical functioning	41.2 ± 13.0	42.7 ± 12.2	0.295
Role physical	40.7 ± 13.0	44.6 ± 12.0	0.009
Bodily pain	46.4 ± 9.2	50.0 ± 7.0	<0.001
General health	44.0 ± 6.2	45.9 ± 7.9	0.023
Vitality	45.4 ± 7.9	46.6 ± 8.6	0.227
Social functioning	43.0 ± 12.5	45.6 ± 9.6	0.055
Role emotional	44.7 ± 12.6	47.2 ± 10.0	0.063
Mental health	44.8 ± 8.9	45.1 ± 7.9	0.732
Physical component summary^b	42.2 ± 12.0	45.5 ± 11.2	0.019
Mental component summary^c	45.8 ± 11.6	46.6 ± 8.9	0.509

^aStudent’s t test; ^bThe effect size of the difference was 0.28 (95% CI: 0.05-0.51); ^cThe effect size of the difference was 0.08 (95% CI: −0.15-0.31).

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