|  |  | Prediction for Stable return-to-work | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 |  |  | 6 months | 12 months | 18 months | 24 months | ||||||||
Subtests | Class limits | n | OR | p | 95%CI | OR | p | 95%CI | OR | p | 95%CI | OR | p | 95%CI |
Forward flexion (centimeters (cm)) | 25-64 | 41 | Â | Â | Â | Â | Â | Â | Ref. | Â | Â | Ref. | Â | Â |
 | 8-24 | 42 | - | - | - | - | - | - | 3.4 | .01 | 1.3-8.8 | 2.6 | .05 | 1.0-6.5 |
 | 0-7 | 41 | - | - | - | - | - | - | 2.1 | NS | .8-5.6 | 1.3 | NS | .5-3.2 |
Modified Schober (cm) | 1-3 | 18 | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â |
 | 4-6 | 83 | - | - | - | - | - | - | - | - | - | - | - | - |
 | 7-19 | 23 | - | - | - | - | - | - | - | - | - | - | - | - |
Lateral flexion right (cm) | 3-10 | 41 | Â | Â | Â | Â | Â | Â | Ref. | Â | Â | Â | Â | Â |
 | 11-15 | 39 | - | - | - | - | - | - | 2.3 | .09 | .9-6.2 | - | - | - |
 | 16-28 | 44 | - | - | - | - | - | - | 1.9 | NS | .8-4.9 | - | - | - |
Lateral flexion left (cm) | 2-11 | 41 | Â | Â | Â | Â | Â | Â | Ref. | Â | Â | Â | Â | Â |
 | 12-15 | 38 | - | - | - | - | - | - | 2.9 | .03 | 1.1-7.6 | - | - | - |
 | 16-27 | 45 | - | - | - | - | - | - | 1.8 | NS | .7-4.7 | - | - | - |
Cervical rotation right (degrees) | 0-50 | 44 | Â | Â | Â | Â | Â | Â | Â | Â | Â | Ref. | Â | Â |
 | 51-60 | 43 | - | - | - | - | - | - | - | - | - | 2.6 | .04 | 1.0-6.6 |
 | 61-80 | 37 | - | - | - | - | - | - | - | - | - | 2.7 | .05 | 1.0-7.1 |
Cervical rotation left (degrees) | 0-50 | 47 | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â |
 | 51-60 | 39 | - | - | - | - | - | - | - | - | - | - | - | - |
 | 61-80 | 38 | - | - | - | - | - | - | - | - | - | - | - | - |
Abdominal endurance (seconds) | 0 | 46 | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â |
 | 1-14 | 40 | - | - | - | - | - | - | - | - | - | - | - | - |
 | 15-75 | 38 | - | - | - | - | - | - | - | - | - | - | - | - |
PILE lumbar (kilogram) | 0-6 | 33 | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â |
 | 8-12 | 45 | - | - | - | - | - | - | - | - | - | - | - | - |
 | 14-44 | 46 | - | - | - | - | - | - | - | - | - | - | - | - |
PILE cervical (kilogram) | 0-6 | 37 | Ref. | Â | Â | Â | Â | Â | Ref. | Â | Â | Â | Â | Â |
 | 8-12 | 47 | 1.4 | NS | .5-4.4 | - | - | - | 1.1 | NS | .4-2.9 | - | - | - |
 | 14-44 | 40 | 2.9 | .09 | .9-9.5 | - | - | - | 2.8 | .06 | 1.0-8.4 | - | - | - |