. 2011 Nov 22;9:101. doi: 10.1186/1477-7525-9-101

Table 4.

Test-retest comparison for NFI:MND

Scale	T1-T2 Correlations	Mean Scores T1, T2	SD (q1-q3)	Mean difference	% of cases falling within 95% confidence interval
Summary	0.84*	14,14^a	9.79 (7-13)	0.10	94.03%
Energy	0.67**	10,10^b	13.09 (11-16)	0.15	89.66%
Weakness	0.86*	13,13^a	17.42 (14-21)	0.10	92.54%

* Pearson's r

**Spearman's Rho

a Paired Samples T-Test; p > 0.0001

b Wilcoxon Signed Rank; p > 0.0001. Note median score used due to sample distribution

Key - SD = Standard deviation, q1 = Quartile One, q3 = Quartile Three