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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.