Table 4.

Comparison of dietary inflammatory index and inflammatory levels in patients with stable tic disorder severity, mean ± SD

Group	Number of cases	DII	IL-6 (pg/mL)	CRP (mg/L)	TNF-α (pg/mL)
Mild	75	0.45 ± 0.17	40.09 ± 7.01	6.18 ± 1.92	6.03 ± 1.52
Moderate	36	0.61 ± 0.07	52.11 ± 6.72	8.15 ± 3.23	8.42 ± 2.08
Severe	6	0.58 ± 0.12	68.47 ± 8.27	9.23 ± 2.74	12.35 ± 3.17
F value		66.632	60.455	4.785	32.863
P value		< 0.001	< 0.001	0.008	< 0.001

CRP: C-reactive protein; IL-6: Interleukin-6; TNF-α: Tumor necrosis factor-alpha.