Table 4.

Predictive models for three outcomes of interest

	Coefficient	SE	OR	P value	95% CI
Model 1: poor physical function at 6 months after hospital discharge
Pre-injury PCS (range: 0–100) (one step increment increase)	−0.093	0.019	0.911	<0.001	0.878 to 0.945
Current pain at 1 month after injury (range 0–10) (one step increment increase)	0.224	0.078	1.252	0.004	1.075 to 1.457
PCS at 3 months (range: 0–100) (one step increment increase)	−0.040	0.014	0.960	0.005	0.934 to 0.988
Impact of pain on walking at discharge (range: 0–10) (one step increment increase)	0.139	0.057	1.149	0.015	1.027 to 1.285
Constant	3.745	1.132	–	0.001	–
Model 2: chronic pain at 6 months after hospital discharge
Regular analgesia use before injury	1.813	0.533	6.130	0.001	2.158 to 17.414
Pre-injury PCS (range: 0–100) (one step increment increase)	−0.039	0.019	0.962	0.044	0.926 to 0.999
Pain score at 1 month after discharge (range: 0–10) (one step increment increase)	0.270	0.089	1.310	0.003	1.099 to 1.560
PCS at 3 months (range: 0–100) (one step increment increase)	−0.051	0.015	0.951	0.001	0.922 to 0.980
Current pain score 3 months after discharge (range: 0–10) (one step increment increase)	0.219	0.084	1.245	0.009	1.057 to 1.467
Constant	1.361	1.098	–	0.215	–
Model 3: likely neuropathic component to pain at 6 months after hospital discharge
Commenced on pregabalin during hospital admission	2.340	1.156	10.377	0.043	1.076 to 100.113
MCS at 1 month after discharge (range: 0–100) (one step increment increase)	−0.058	0.026	0.944	0.026	0.897 to 0.993
Pain detect score at 3 months (range: −1 to 38) (one step increment increase)	0.174	0.043	1.190	<0.001	1.094 to 1.295
Impact of pain on mood at 3 months after discharge (range 0–10) (one step increment increase)	0.192	0.095	1.212	0.043	1.212 to 1.006
Constant	−1.421	1.188	–	0.232	–

MCS, Mental Component Score; PCS, Physical Component Score.