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Table 3 Pain regression (dependent variable was pain with gait speed 0 to 20 NRS)

From: Women with knee osteoarthritis have more pain and poorer function than men, but similar physical activity prior to total knee replacement

Predictor variable β Standard error P value
All subjects:    
Pain at rest 0.400 0.096 < 0.001
Knee extension 0.193 0.057 0.001
State anxiety 0.075 0.042 0.081
PPT -0.005 0.002 0.024
  F value Significance Model fit
Overall model 12.713 < 0.001 R2 = 0.241
Women:    
Pain at rest 0.421 0.103 < 0.001
Knee extension 0.243 0.062 < 0.001
PPT -0.010 0.004 0.018
Women only model 15.295 < 0.001 R2 = 0.267
Men:    
Pain at rest 0.422 0.151 0.007
PPT -0.005 0.003 0.086
Men only model 6.408 0.003 R2 = 0.181
  1. NRS = numerical rating scale; PPT = pressure pain threshold.