The psychological burden of an initially unexplained illness: patients with sternocostoclavicular hyperostosis before and after delayed diagnosis

Table 6 Multiple regression coefficients and standardized regression weights for predicting variables representing present-day conditions from variables representing pre-diagnostic aspects.

	Pre-diagnostic variables (predictors)
Present-day variables (dependents)	Age-first	Frontal-first	Dorsal-first	IESR-total	SSI-total	Depressed-total	Delay	R
Frontal-now^a	-	.304*	.323*	-	-.355**	-	-	.647**
Dorsal-now^b	-	.	. 627**	-	-.428**	-	-	.738**
VASnow^c	-	-	-	-	-.296*	-	-	.296*
VASmin^d	-	-	-	-	-	-	.413**	.413**
VASmax^e	-	-	-	-	-	.418**	-	.418**
PRIS^f	-.428**	-	-	-	-	-	-	.428**
PRIA^g	-	-	.255*	-	-.252*	.543**	-	.722**
PRIE^h	-.355*	-	-	-	-	-	-	.355*
SFpainⁱ	-	-	-	-	-.284*	-	-	.284*
SFtotal^j	-	-	-	-	.387**	-.404**	-	.653**
BIPQimpact^k	-.243*	-	-	-		.619**	-	.730**
BIPQcognition^l	-.317*	-	-.447**	-	.332*	-	-	.510**
Timeline	-.369**	-	-	-	-	-	-	.369**
Personal control	-	-	-	-	-	-	-	-

^aFrontal-now = frontal area indicated as presently painful; ^bDorsal-now = dorsal area indicated as presently painful; ^cVASnow = visual analogue scale score of present pain; ^dVASmin = visual analogue scale score of minimal pain; ^eVASmax = visual analogue scale score of maximal pain; ^fPRIS = MPQ pain rating index (sensory); ^gPRIA = MPQ pain rating index (affective); ^hPRIE = MPQ pain rating index (evaluative); ⁱSFpain = pain score measured by SF20; ^jSFtotal = total of SF20 subscales physical functioning, role fulfillment, social functioning, mental health, and perceived health; ^kBIPQimpact = sum of BIPQ consequence, identity, concern, and emotional response; ^lBIPQcognition = sum of BIPQ treatment control and coherence.