Clinical Outcomes of Cannulated Screws versus Ring Pin versus K-Wire with Tension Band Fixation Techniques in the Treatment of Transverse Patellar Fractures: A Case-Control Study with Minimum 2-Year Follow-Up
Table 3
Results of multivariate logistic regression analysis.
Variable (reference)
Fracture healing time
Postoperative complications
Knee function
OR
95% CI
value
OR
95% CI
value
OR
95% CI
value
Gender (male)
2.01
0.64-6.35
0.234
0.56
0.20-1.63
0.289
1.12
0.38-3.24
0.840
Age (≤40)
1.18
0.40-3.52
0.766
0.92
0.33-2.57
0.870
0.62
0.22-1.81
0.384
BMI (normal)
Overweight
1.23
0.42-3.56
0.707
1.58
0.33-7.58
0.568
0.64
0.13-3.03
0.571
Obesity
1.04
0.21-5.21
0.965
0.94
0.34-2.60
0.899
0.77
0.32-3.21
0.568
AO/OTA (34-C1)
10.68
1.30-87.70
0.027
2.12
0.37-12.03
0.397
0.48
0.08-3.04
0.434
Fracture side (left)
0.96
0.17-5.51
0.966
1.13
0.34-3.78
0.841
2.50
0.68-9.18
0.166
Injury mechanism (low-energy fracture)
8.78
1.57-49.17
0.013
0.27
0.04-1.70
0.162
1.64
0.25-10.84
0.607
Operation method (KTB)
CSTB
0.26
0.08-0.86
0.027
0.20
0.06-0.64
0.007
4.37
1.41-13.56
0.011
RPTB
0.67
0.20-2.27
0.524
0.21
0.07-0.64
0.006
3.96
1.30-12.08
0.016
KTB: K-wire with tension band; CSTB: cannulated screws with tension band; CPTB: cable pin with tension band; BMI: body mass index. , statistical significance.
