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Table 1 Demographic and preoperative characteristics

From: Angiotensin II blockade had no effect on range of motion after total knee arthroplasty: a retrospective review

 ACEIs (N = 35)ARBs (N = 19)Controls (N = 87)p value
Male, %196270.048a
Age, years; mean ± SD63.6 ± 7.966.4 ± 7.861.5 ± 10.01.710b
Comorbidities
 BMI, kg/m233.7 ± 6.731.1 ± 6.530.4 ± 6.70.050c
 Diabetes, N1065< 0.001a
 Opioids, N175310.226
 Statin, N1810210.004a
Preoperative ROM, degrees; mean ± SD
 Flexion107.7 ± 13.7108.9 ± 11.6111.0 ± 12.30.423b
 Extension3.1 ± 3.82.4 ± 4.52.3 ± 3.90.366b
 Total arc104.6 ± 15.9106.5 ± 13.3108.7 ± 13.80.317b
Manipulation under anesthesia2151.000d
  1. SD standard deviation, BMI Body mass index, ROM Range of motion
  2. Demographic data for study patients analyzed. aχ2, bKruskal, cANOVA, dFisher exact