Table 3.

ALS criteria at inclusion according to 25OH vitamin D levels.

25OH vitamin D (ng/ml)	n	Age at onset	ALS-SSi	SVC	Weight loss
<15	19	64.2 ± 9.7	1.20 ± 0.80	77.1 ± 21.2	0.074 ± 0.73
>15 and <30	47	61.1 ± 13.9	0.88 ± 0.72	83.6 ± 21.7	0.197 ± 0.51
>30	39	62.6 ± 10.9	0.75 ± 0.50	80.6 ± 23.3	0.363 ± 0.61
<15 vs. >30		ns	0.011	ns	ns

ALS, amyotrophic lateral sclerosis; ALS-SSi, Revised Amyotrophic Lateral Sclerosis Functional Rating Scale severity score at inclusion; SVC, slow vital capacity; ns, not statistically significant.