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Table 1 Patient demographic and baseline clinical characteristics

From: Metal block augmentation for bone defects of the medial tibia during primary total knee arthroplasty

  TKA with metal augmentation (n= 33) TKA without bone defect (n= 132) P value
Age (years) 75 (58–88) 74 (50–85) 0.42a
Sex (F/M) 27/6 108/24 0.51b
Height (cm) 150 (135–172) 151 (133–176) 0.45a
Weight (kg) 52 (40–79) 54 (30–92) 0.10a
Body mass index (kg/m2) 23.7 (18.2–32.9) 23.7 (14.3–41.4) 0.19a
Preoperative diagnosis (OA/RA/other) 28/3/2 123/6/3 0.29b
Preoperative knee score (points) 50 (30–70) 55 (40–75) 0.01a
Follow-up period (years) 4.0 (3.0–6.5) 4.1 (3.0–6.8) 0.12a
Preoperative femorotibial angle (deg) 193 (182–205) 184 (171–192) 0.001a
  1. Results are expressed as median (range) unless stated otherwise. TKA, total knee arthroplasty; OA, osteoarthritis; RA, rheumatoid arthritis. aMann-Whitney U test; bχ2 test.