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Table 1 Data and clinical details of patients and normal people recruited in this study

From: Increasing substance P levels in serum and synovial tissues from patients with developmental dysplasia of the hip (DDH)

  DDH&OA DDH Normal
Number 45 56 31
Ages (yrs) 40.4 ± 5.3 (35-48) 28.5 ± 6.4 (21-34) 33 ± 4.5 (22-38)
Female/Male 31/14 48/12 17/14
BMI (kg/m2) 23.5 ± 1.3 22.7 ± 0.8 22.2 ± 1.1
Durations (yrs) 3.8 ± 0.5 1.3 ± 0.4
CRP (mg/l) 8.4 ± 2.4*Δ 4.7 ± 1.5 2.4 ± 0.7
ESR (mm/1st h) 16.8 ± 4.6* 12.3 ± 3.6* 6.2 ± 1.6
Harris hip score 37 ± 6.4**# 75.7 ± 8.3* 96 ± 2.5
Visual analogue score 5.7 ± 2.4Δ 3.2 ± 1.8
Synovial sample 35/45 20/56
Blood sample 40/45 40/56 31
  1. BMI Body mass index, CRP C-reactive protein, ESR Erythrocyte sedimentation rate. Data are given as mean ± standard deviation (SD). *P < 0.05 and **P < 0.01 compared to data in normal group. ΔP < 0.05 and #P < 0.01 compared to data in DDH group.