Table 4.

Rate of change of effect size over the post-operative days

Scales	Post-operative days
	1st–2nd	1st–3rd	2nd–3rd
S1	1.9*	3.8*	1.8*
S2	1.2*	2.1*	1.0*
S3	1.1*	2.0*	0.8*

*P < 0.001 adjusted for Bonferroni correction