Table 1.

Correlation between new contrast enhancing lesions per scan over 6 months and relapse rate over 6 months

Trial	n	Correlation (Spearman)	p-value (Spearman)	Correlation (Pearson)	95% CI (Pearson)
Overall	208	0.21	0.002	0.11	−0.03, 0.24
A	1	-	-	-	-
B	4	−0.26	> 0.20	−0.45	−0.99, 0.90
C	3	-	-	-	-
D	11	0.07	> 0.20	0.29	−0.38, 0.76
E	33	0.15	> 0.20	−0.02	−0.36, 0.33
F	44	0.25	0.10	0.09	−0.21, 0.38
G	27	0.05	> 0.20	−0.01	−0.39, 0.37
H	13	0.17	> 0.20	0.01	−0.54, 0.56
I	18	0.29	> 0.20	0.21	−0.28, 0.62
J	26	0.16	> 0.20	−0.09	−0.46, 0.31
K	28	0.30	0.12	0.17	−0.22, 0.51
Combined*	204	0.19	0.01	0.06	−0.09, 0.20

^*Weighted mean correlation, trials A and C excluded (see text).