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Table 3 Analysis of FCRL3 –169 T > C polymorphism frequency with regards to tendon pain and athletes who were away from training due pain in cases compared with controls

From: Fc receptor-like 3 (−169T>C) polymorphism increases the risk of tendinopathy in volleyball athletes: a case control study

FCRL3 -169T>C Controls
n (%)
Tendinopathy
n (%)
p-valuea OR (95% CI)
Tendon painb
  (n = 77) (n = 128)   
TT 38 (49.3) 34 (26.6)   1d
TC 29 (37.7) 65 (50.8) 0.007 2.5 (1.32–4.74)
CC 10 (13.0) 29 (22.6) 0.010 3.24 (1.38–7.62)
TC + CC 39 (50.7) 94 (73.4) 0.002 2.69 (1.49–4.88)
T 105 (68.2) 133 (51.9) 0.002 1d
C 49 (31.8) 123 (48.1) 1.98 (1.30–3.01)
Away from training due painc
  (n = 33) (n = 63)   
TT 15 (45.5) 15 (23.8)   1d
TC 15 (45.5) 37 (58.7) 0.09 2.47 (0.97–6.28)
CC 3 (9.0) 11 (17.5) 0.14 3.66 (0.85–15.90)
TC + CC 18 (54.5) 48 (76.2) 0.05 2.67 (1.09–6.54)
T 45 (68.2) 67 (53.2) 0.03 1d
C 21 (31.8) 59 (46.8) 1.89 (1.01–3.53)
  1. Differences in sample sizes are due to available data from PCR amplification for each polymorphism
  2. Note: OR odds ratio, CI confidence interval
  3. aChi-Squared Test or Fisher’s exact test
  4. bThe analysis for tendon pain was adjusted by age, years of practice in volleyball and gender
  5. cThe analysis for away from training due pain was adjusted by age, years of practice in volleyball, gender and pain
  6. dReference group