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Table 3 Multivariate analysis of existence of pain versus no pain after the procedure

From: Are joint and soft tissue injections painful? Results of a national French cross-sectional study of procedural pain in rheumatological practice

Explanatory variables OR * 95% CI P-value**
Patient perception of the procedure assessed by the physician    < 0.0001
Very/Quite badly R 1   
Quite well 0.271 [0.085 - 0.865] (S)  
Very well 0.013 [0.004 - 0.041] (S)  
Pain intensity related to underlying pathology in the previous week    
Absent R 1   < 0.0001
Mild 1.348 [0.780 - 2.330] (NS)  
Moderate 1.780 [1.039 - 3.051] (S)  
Severe 2.024 [1.165 - 3.513] (S)  
Underlying pathology    0.0006
Acute R 1   
Chronic 1.725 [1.099 - 2.708] (S)  
Inflammatory rheumatological disorder 2.521 [1.474 - 4.310] (S)  
Joint osteoarthritis 2.302 [1.548 - 3.423] (S)  
Flare-up over degenerative pathology 1.972 [1.301 - 2.988] (S)  
Post-traumatic 2.967 [1.483 - 5.935] (S)  
Back pain 1.755 [1.077 - 2.861] (S)  
Radiculalgia 1.394 [0.856 - 2.272] (NS)  
Tunnel syndrome 1.975 [1.148 - 3.399] (S)  
Tendonitis 1.310 [0.876 - 1.960] (NS)  
Bursitis 1.241 [0.716 - 2.151] (NS)  
Cristal arthropathy 1.883 [0.772 - 4.595] (NS)  
Sex    
Male R 1   0.0557
Female 1.141 [0.998 - 1.304] (NS)  
Site of procedure    
Knee R 1   0.0889
Spine 1.160 [0.854 - 1.576] (NS)  
Shoulder 1.174 [0.901 - 1.530] (NS)  
Small joints 1.551 [1.137 - 2.118] (S)  
Others 1.212 [0.903 - 1.627] (NS)  
  1. Multivariate analysis was carried out with variables selected from univariate analysis that demonstrated a significant threshold of 20%.
  2. Multivariate analysis was performed on 7518/8446 patients. 928 observations were not included due to missing data.
  3. *OR: Odds-Ratio
  4. CI: Confident Interval
  5. ** Chi2 test significance
  6. S: significant CI
  7. NS: non significant
  8. R: Reference.