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Table 2 Perioperative and follow-up parameters

From: Management of comminuted patellar fractures using suture reduction technique combined with the modified Kirschner-wire tension band

Variable

SR

CR

p value

Mean time to surgery (days)

5.4 (0–16)

3.7 (0–12)

0.016

Surgical time (minutes)

63.6 (45–105)

71.9 (45–120)

0.110

Blood loss (mL)

42.9

69.3

< 0.001

Blood transfusion

  

-

Yes

0 (0%)

0 (0%)

 

No

35 (100%)

40 (100%)

 

Fracture union (weeks)

10.1

10.7

0.08

Postoperative complications

  

0.746

Limited flexion

1 (2.9%)

1 (2.5%)

 

Extension lag

0 (0%)

1 (2.5%)

 

Knee stiffness

1 (2.9%)

1 (2.5%)

 

Anterior knee pain

2 (5.7%)

1 (2.5%)

 

K-wires migration

2 (5.7%)

1 (2.5%)

 

Range of motion (ROM)

  

-

Degree of extension (mean)

0

0

 

Degrees of flexion (mean)

122

118

 

Knee function score

   

Lysholm score (mean)

91.8

91.3

0.991

Böstman scale (mean)

27.4

27.2

0.211

Follow-up time (months)

35.7

31.8

0.212