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Table 1 Patient information for the arthrofibrotic cohort.

From: Reactive oxygen and nitrogen species induce protein and DNA modifications driving arthrofibrosis following total knee arthroplasty

Sex Males 3
  Females 7
Average age   
  Males 63.7 ± 12.5
  Females 57.6 ± 3.7
Years post initial total knee arthroplasty   
  Males 3.0 ± 1.9
  Females 2.9 ± 0.9
Average body mass index (kg/cm 2 )   
  Males 28.4 ± 1.6
  Females 36.4 ± 1.8
Range of motion (0°-100° flexion)   
  Males 53.3 ± 10.8
  Females 44.2 ± 6.6
Tissue calcification (bone volume, mm 3 of hydroxyapatite)   
  Males 2.04 ± 2.34
  Females 3.93 ± 2.47