Table 2.

Distribution of vitamin D levels for each group.

All vitamin D assays	Nodule (n = 42)	Remission (n = 45)	Active (n = 24)
Vitamin D group	Count (%)	Count (%)	Count (%)	P- value
<25 nmol/L	1 (2)	2 (4)	0
25–75 nmol/L	22 (52)	18 (40)	11 (46)
>75 nmol/L	19 (45)	25 (56)	13 (54)	.74
Vitamin D group
<75 nmol/L	22 (52)	20 (44)	10 (42)
≥75 nmol/L	20 (48)	25 (56)	14 (58)	.67
Tandem mass spec assay	Nodule (n = 33)	Remission (n = 35)	Active (n = 22)
Vitamin D group	Count (%)	Count (%)	Count (%)	P- value
<25 nmol/L	0	1 (3)	0
25–75 nmol/L	17 (52)	14 (40)	9 (41)
>75 nmol/L	16 (48)	20 (57)	13 (59)	.75
Vitamin D group
<75 nmol/L	16 (48)	15 (43)	8 (36)
≥75 nmol/L	17 (52)	20 (57)	14 (64)	.32