Table 2.

The correlation between cytokines and vitamin D between patients and control groups

		TNF‐α	IL‐1	IL‐6	IL‐10	IL‐21	Vitamin D
TNF‐α	Pearson correlation	1	0.822**	0.075	0.374**	0.300*	−0.545**
	Sig. (2‐tailed)		0.000	0.571	0.003	0.020	0.000
IL‐1	Pearson correlation	0.822**	1	0.059	0.231	0.270*	−0.513**
	Sig. (2‐tailed)	0.000		0.657	0.076	0.037	0.000
IL‐6	Pearson correlation	0.075	0.059	1	−0.076	0.233	−0.473**
	Sig. (2‐tailed)	0.571	0.657		0.564	0.073	0.000
IL‐10	Pearson correlation	0.374**	0.231	−0.076	1	−0.021	−0.244
	Sig. (2‐tailed)	0.003	0.076	0.564		0.875	0.060
IL‐21	Pearson correlation	0.300*	0.270*	0.233	−0.021	1	−0.285*
	Sig. (2‐tailed)	0.020	0.037	0.073	0.875		0.027
Vitamin D	Pearson correlation	−0.545**	−0.513**	−0.473**	−0.244	−0.285*	1
	Sig. (2‐tailed)	0.000	0.000	0.000	0.060	0.027

Abbreviations: IL‐1, interleukin‐1; TNF‐α, tumor necrosis factor‐α.

^**Correlation is significant at the 0.01 level (2‐tailed).

^*Correlation is significant at the 0.05 level (2‐tailed).