Table 3.

Laboratory values of the study groups.

	Nodule (n=453)	Control (n=396)	P	Cohen's d
Vitamin D (ug/L)	12 (5.2)	26.1 (10.6)	.0001	1.945
Calcium (mg/dL)	9.5 (0.5)	9.5 (1)	.415
Phosphorus (mg/dL)	3.4 (0.6)	3.5 (0.6)	.227
Magnesium (mg/dL)	2.0 (0.4)	2.0 (0.2)	.709
Protein (g/L)	7.1 (0.5)	7.2 (0.5)	.005	0.2
Albumin	4.3 (0.36)	4.3 (0.4)	.211
Thyroid stimulating hormone (mIU/L)	2.2 (1.3)	2.2 (1.3)	.714
T3	3.3 (0.5)	3.3 (0.5)	.908
T4	1.2 (0.2)	1.2 (0.3)	.485
Glucose (mg/dL)	102.6 (29.3)	99.5 (31.1)	.144
Creatinine (mg/dL)	0.8 (0.6)	0.8 (0.2)	.187
Estimated glomerular filtration rate (mL/min)	89.6 (19.5)	95.6 (19.7)	.0001	0.3

Data are mean (standard deviation)