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

Table 4 Multiple regression analysis: PCS ^c , MCS ^d , OHIP-14 ^f and OIDP ^g as dependent variables

	1:Crude		2: Model 1 + Age + gender + social class		3: Model 2 + PFT		4: Model 3 + Illness
	β ^a [95% CI]	p-value	β [95% CI]	p-value	β [95% CI]	p-value	β [95% CI]	p-value
PCS^{b, c}	−3.24 [−5.95-(−0.53)]	0.019	−3.87 [−6.40-(−1.33)]	0.003	−2.66 [−5.18-(−0.13)]	0.039	−2.60 [−5.10-(−0.11)]	0.041
MCS^b,d	−0.81 [−3.22-1.60]	0.509	−0.75 [−3.18-1.69]	0.547	−0.78 [−3.28-1.72]	0.541	−0.77 [−3.27-1.74]	0.547
OHIP^e,f	10.62 [6.30-17.90]	<0.001	11.44 [6.69-19.55]	<0.001	11.78 [6.86-20.21]	<0.001	11.63 [6.77-20.01]	<0.001
OIDP^e,g	18.82 [10.37-34.15]	<0.001	21.07 [11.48-38.63]	<0.001	21.14 [11.52-38.82]	<0.001	21.26 [11.54-39.13]	<0.001

^aDifferences between oral cancer survivors (n = 142) and controls (n = 142); ^bLinear regression; ^cPCS: Physical Component Summary; ^dMCS: Mental Component Summary; ^eOrdinal logistic regression; ^fOHIP: Oral Health Impact Profile; ^gOIDP: Oral Impacts on Daily Performances.

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