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Table 1 Clinical characteristics of all patients (* means statistical difference P < 0.05)

From: The predictive value of preoperative neutrophil-lymphocyte ratio (NLR) on the recurrence of the local pigmented villonodular synovitis of the knee joint

  Total Recurrent Non-recurrent P value
Patients (n) 60 14 46
Age (years) 32.00 (26.25–47.00) 35.50 (28.75–50.00) 32.00 (26.00–48.25) 0.45
Gender (F/M) 31/29 6/8 25/21 0.45
Body mass index (kg/m2) 22.81 ± 1.81 23.31 ± 1.12 22.65 ± 1.95 0.12
Knee(L/R) 34/26 5/9 29/17 0.07
WBC (10^9/L) 6.57 (5.54–8.21) 7.01 (5.57–8.38) 6.57 (5.35–8.28) 0.51
ESR (mm/h) 14.00 (11.25–19.00) 16.50 (10.00–27.00) 13.50 (11.75–17.25) 0.208
CRP (mg/L) 13.30 (6.34–21.25) 17.31 (10.45–27.55) 12.51 (6.17–15.86) 0.04*
Neutrophils (10^9/L) 3.59 (2.92–4.53) 4.07 (3.22–5.36) 3.26 (2.52–4.51) 0.134
Platelets (10^9/L) 242.00 (189.75–281.25) 260.50 (235.00–282.25) 233.50 (180.75–278.50) 0.21
Lymphocytes (10^9/L) 1.87 (1.50–2.19) 1.83 (1.30–2.23) 1.87 (1.57–2.11) 0.69
Monocytes (10^9/L) 0.38 (0.32–0.46) 0.35 (0.32–0.46) 0.38 (0.32–0.46) 0.49
PLR 125.29 (105.04–152.58) 127.96 (104.05–233.92) 124.07 (105.71–148.65) 0.23
NLR 1.89 (1.40–2.50) 2.63 (2.05–2.84) 1.77 (1.36–2.25) 0.002*
LMR 4.76 (4.02–5.87) 4.75 (3.78–5.80) 4.76 (4.03–5.94) 0.68