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Table 1 Baseline demographic and clinical characteristic of patients

From: Clinical outcomes of Ti-Ni shape-memory patella concentrator combined with cannulated compression screws in the treatment of C2 and C3 patella fracture: a retrospective study of 54 cases

Characteristic Description
Age, years (mean ± SD) 54.11 ± 11.24
Gender, n%
 Male 31 (57.4)
 Female 23 (42.6)
Side of injury
 Left 33 (61.1)
 Right 21 (38.9)
 BMI, kg/m2 (mean ± SD) 23.02 ± 4.30
Mechanism of injury, n%
Daily activity
 Work 9 (16.7)
 Traffic accident 28 (51.9)
 Sports injury 10 (18.5)
 Activities in daily life 7 (13.0)
OTA classification
 C2 23 (42.6)
 C3 31 (57.4)
 Hospital stay, day (mean ± SD) 14.67 ± 4.40
 Operation time, min (mean ± SD) 77.50 ± 25.12
 Blood loss, ml (mean ± SD) 24.25 ± 4.70