. 2011 Sep 27;12(4):185–192. doi: 10.1007/s10195-011-0158-7

Table 2.

Average constant scores between groups across time

Assessment period	Group A mean ± SD^‡	95% confidence interval (CI)		Group B mean ± SD	95% confidence interval (CI)		P value^Ψ
Assessment period	Group A mean ± SD^‡	LCI	UCI	Group B mean ± SD	LCI	UCI	P value^Ψ
6 weeks	62.1 ± 11.4	56.6	67.6	69.1 ± 9.2	64.7	73.5	0.023*
3 months	77.3 ± 10.3	72.3	82.2	83.0 ± 8.7	78.8	87.2	0.071
6 months	84.7 ± 12.2	78.8	90.6	90.3 ± 7.3	86.8	93.8	0.078
12 months	89.9 ± 11.3	84.4	95.3	95.5 ± 5.3	92.9	98.1	0.076

SD standard deviation, ^Ψstat test = repeated measures GLM ANOVA