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Table 3 Weighted averages and pooled data of surgical techniques

From: Surgical treatment of inferior pole fractures of the patella: a systematic review

Technique

Number of patients

Surgery time (min)

ROM (degrees)

Functional score (Bostman score)

Major complications

Characteristics of complications

Removal of implants

Rigid fixation device

445

60.2

129.3

28.2

7/374

5 loss of reduction

264/330

(n = 190)

(n = 95)

(n = 120)

(1.87%)

2 deep infections

(80.00%)

Tensile device dominant: SVM

153

66.6

131.5

28.9

2/153

1 loss of reduction

39/100

(n = 92)

(n = 128)

(n = 153)

(1.31%)

1 deep infection

(39.00%)

Tensile device dominant: TOR

238

74.1

122.8

28.5

7/189

3 loss of reduction

23/125

(n = 47)

(n = 128)

(n = 55)

(3.70%)

3 deep infections

1 paralysis

(18.40%)

Tensile device dominant: SA

133

53.1

124.0

28.1

6/133

1 loss of reduction

0/75

(n = 73)

(n = 133)

(n = 56)

(4.51%)

5 deep infections

(0%)

Mixed device: TBW

294

70.4

120.4

27.5

9/294

6 loss of reduction

86/187

(n = 137)

(n = 264)

(n = 153)

(3.06%)

3 deep infections

(45.99%)

Augmentation with PT wire

86

80.3

112.2

25.8

0/86

 

28/56

(n = 52)

(n = 72)

(n = 22)

(0%)

 

(50.00%)

  1. PT patellotibial wire, ROM range of motion, SA suture anchor, SVW separated vertical wire, TBW tension band wire, TOR transosseous attachment