Table 3.

Overview of predictors for the outcome pain, disability and work capacity separately*

	Outcome →
Predictor↓	Pain		Disability		Work capacity
	Sign	Not sign	Sign	Not sign	Sign	Not sign
Socio-demographic
Gender (female)	D	A, I		A, I	B, D	A, I
Age	A	E, I	E	A, I	A	B, I
Body Length						B, D, I
Body weight		E, I	E	I	D	B, I
Marital status	E	I		E, I		B, I
Clinical
Preoperative pain	E, I	A, H		A, E, I	I	A
Preoperative disability		E, H, I	E, I
Duration of complaints	A	E, I	E	A, I	I	A, B, D
Straight leg raising test		E, I		E, I
Operative findings	D, H	E
Work
Work conditions (physical)					D	B
Work satisfaction	E	I	E, I
Duration of sick leave	A	I		A, I	B, D	A, I
Psychological
Depression	I	D, E	I	D, E	D
Anxiety	D	E, I	D	E, I
Somatisation	D	E, H	D, E
Coping	D, H			D, I		I

A = Dauch et al. (1994) [6]

B = Donceel and Dubois (1999) [7]

D = Graver et al. (1992) [18–21]

E = Hurme and Alaranta (1987) [28]

H = Rosenstiel and Gross (1986) [49]

I = Schade et al. (1999) [51]

The following predictors were not measured in relation to pain, disability or work capacity separately: educational level, other preoperative complaints, segmental sensor loss, radiolological findings, life events, social support.