Table 6.

ANCOVA of the change in VAS score (treatment completion/discontinuation) (FAS)

	Conversion ratio 1:5 group (N = 30)	Conversion ratio 1:8 group (N = 40)
Mean ± standard deviation	0.4 ± 10.47	0.2 ± 7.73
Minimum	−20	−12
Median	0.0	0.0
Maximum	47	37
Least square mean	0.6	0.1
Difference in least square meana		0.5
95% confidence interval		(−3.8–4.8)
P value		0.8287

^aConversion ratio 1:5 group − conversion ratio 1:8 group.

ANCOVA, analysis of covariance; FAS, full analysis set.