Table 3

 Prognostic factors for duration of sick leave due to low back pain related to characteristics of current episode

Prognostic factorPooled ES (95% CI)+ adjusted for quality+ adjusted for non-report of ES
–, pooling not possible; ES, effect size.
History of LBP24–26,33–361.08 (0.87 to 1.34)1.05 (0.84 to 1.30)0.89 (0.70 to 1.12)
Disability24–26,33–362.39 (1.33 to 4.29)2.40 (1.34 to 4.31)
Pain intensity24,33–361.10 (1.01 to 1.20)1.10 (1.01 to 1.20)1.10 (1.01 to 1.20)
Physical examination29,341.10 (1.03 to 1.18)1.10 (1.01 to 1.20)
Radiating pain20,21,23,24,29–32,34–362.52 (1.76 to 3.63)2.49 (1.42 to 4.36)2.08 (1.48 to 2.92)
Accident type (ref: overexposure)
    Impact1.00 (0.77 to 1.31)
    Fall same level1.08 (0.84 to 1.39)
    Fall from elevation27,281.16 (0.90 to 1.51)
Work related injury330.36 (0.15 to 0.87)