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Table 3 Results of the two groups at the 12-month follow-up

From: Comparison of the outcomes of cannulated screws vs. modified tension band wiring fixation techniques in the management of mildly displaced patellar fractures

 

CRCF (n = 26)

ORTF (n = 26)

P value

Fracture healing time (months)

2.65 ± 0.61

2.81 ± 0.8

0.440

Postoperative interfragmentary gap

 

0.934

   0 mm

19 (73.1 %)

20 (77.0 %)

 

    ≤ 2 mm

5 (19.2 %)

4 (15.4 %)

 

    ≥ 3 mm

2 (7.7 %)

2 (7.7 %)

 

Implant removal

2

11

 

Pain (VAS)

0.5 ± 1.1

1.1 ± 1.9

0.160

Extension (°)

1.2 ± 1.7

1.9 ± 1.9

0.133

Flexion (°)

140.4 ± 10.3

136.9 ± 11.0

0.246

ROM (°)

139.2 ± 11.8

135.0 ± 12.7

0.219

Lysholm score

93.2 ± 5.3

89.8 ± 6.2

0.039

  1. CRCF closed reduction and percutaneous cannulated screw fixation, ORTF open reduction and modified tension band fixation, VAS visual analog scale, ROM range of motion