Table 2.

The effect of follow up time on outcome.

Outcome		Coefficient	Bootstrapped 95% CI	P value
Elbow function	Follow up time	−1.03	(−2.40, 0.10)	0.109
Pain	Follow up time	−1.96	(−3.15, −1.00)	<0.000
Psychological–social	Follow up time	−2.15	(−3.35, −0.84)	0.001