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Table 3 The results of correlation analysis between serum CPK and isokinetic parameters

From: Effect of oral isotretinoin on muscle strength in patients with acne vulgaris: a prospective controlled study

  Serum CPK level (IU/l)
Concentric quadriceps PT (Nm)
 60°/s AV r = 0.150
p = 0.283
 120°/s AV r = 0.227
p = 0.102
Concentric hamstring PT (Nm)
 60°/s AV r = 0.192
p = 0.167
 120°/s AV r = 0.195
p = 0.162
  1. CPK Creatinine phosphokinase, PT Peak torque, Nm Newton-meter, AV Angular velocity, r rho correlation coefficient. Statistically significant at p < 0.05