Table 5.

Predicting poor outcome (PGIC) at 14, 30 and 90 days follow up split by gender

SBT Category	14 days		30 days		90 days
	OR (95% CI)		OR (95% CI)		OR (95% CI)
	Male (n = 117)	Female (n = 118)	Male (n = 66)	Female (n = 65)	Male (n = 71)	Female (n = 79)
Low	1.0	1.0	1.0	1.0	1.0	1.0
Medium	1.2 (0.5 to 3.0)	0.5 (0.2 to 1.3)	0.7 (0.2 to 2.7)	1.2 (0.3 to 4.0)	3.0 (0.9 to 10.0)	0.9 (0.2 to 3.3)
High	1.8 (0.7 to 5.0)	0.5 (0.2 to 1.2)	0.7 (0.2 to 3.2)	1.0 (0.3 to 4.1)	3.0 (0.6 to 16.0)	1.1 (0.3 to 4.0)

PGIC = Patient Global Impression of Change; SBT = Start Back Tool.