Table 8 Adjusted models for predicting poor outcome (PGIC) at 14, 30 and 90 days follow up

14 days (n = 235)

Pain for >30 days in year

3.2 (1.9 to 5.6)

0.26

90/25

Pain (for every 1 point increase)

0.8 (0.8 to 0.9)

30 days (n = 131)

Duration

0.32

92/29

   < 1 month

1.0

   1–3 months

5.6 (1.8 to 17.0)

   >3 months

2.4(1.1 to 5.5)

90 days (n = 150)

0.45

94/23

Duration

   < 1 month

1.0

   1–3 months

9.3 (3.0 to 29.0)

   >3 months

3.0(1.3 to 7.0)