Table 4.

Correlations between RDW, NLR and PLR and clinical parameters.

	RDW		NLR		PLR
	R	p	r	p	r	p
Disease duration (years)	0.143	0.213	0.247	0.030	0.181	0.114
SLEDAI-2K	0.288	0.012	0.111	0.343	0.183	0.116
SLICC/ACR	0.235	0.039	0.017	0.881	−0.072	0.531
C3 complement (mg/dl)	−0.165	0.153	−0.249	0.019	−0.324	0.004
C4 complement (mg/dl)	0.055	0.637	−0.150	0.194	−0.140	0.224
ESR (mm/h)	0.041	0.732	0.094	0.436	0.039	0.746
hsCRP (mg/l)	0.258	0.026	0.094	0.426	−0.154	0.190
Fibrinogen (mg/dl)	0.255	0.025	−0.022	0.852	0.051	0.659
Homocysteine (μmol/L)	0.193	0.097	0.061	0.605	0.016	0.890
Ddimer (0.23 μg/ml)	0.238	0.039	0.160	0.166	0.161	0.164
Creatinine (mg/dl)	0.117	0.312	−0.080	0.489	−0.181	0.115
Creatinine clearance (Cockcroft)	−0.131	0.262	0.060	0.612	−0.009	0.940
IL-6 (pg/ml)	0.325	0.012	0.101	0.445	0.065	0.624
IL-10 (pg/ml)	0.119	0.368	0.065	0.624	−0.101	0.445
TNF (pg/ml)	0.260	0.047	0.036	0.787	0.091	0.543
IFNγ (pg/ml)	0.128	0.342	0.007	0.959	0.247	0.064

RDW: Red blood cell distribution width, NLR: Neutrophil-to-lymphocyte ratio, PLR: Platelet-to-lymphocyte ratio, SLEDAI: SLE Disease Activity Index, SLICC/ACR: Systemic Lupus International Collaborative Clinics/American College of Rheumatology, ESR: Erythrocyte sedimentation rate, hsCRP: High-sensitive C-reactive protein, TNF: Tumor necrosis factor, IFNγ: Interferon γ