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Table 2 Comparison of clinical efficacy between groups at 2 years after treatment

From: Clinical efficacy of bone transport technology in Chinese older patients with infectious bone nonunion after open tibial fracture

Characteristics

Total

(n = 220)

Group A

(n = 110)

Group B

(n = 110)

P value

Counterpoint and alignment [n (%)]

   

0.035

 Good

141 (64.1)

78 (70.9)

63 (57.3)

 

 Poor

79 (35.9)

32 (29.1)

47 (42.7)

 

American Knee Society (score, \( \overline{x} \) ±s)

145.8 ± 26.8

167.7 ± 14.9

123.8 ± 15.7

< 0.001

Baird-Jackson (score, \( \overline{x} \) ±s)

84.1 ± 7.1

89.9 ± 3.5

78.4 ± 4.9

< 0.001

Bone healing index (d/cm, \( \overline{x} \) ±s)

43.7 ± 2.6

43.0 ± 2.0

44.3 ± 3.0

< 0.001

Clinical efficacy [n (%)]

   

0.036

 Complete recovery

14 (6.4)

9 (8.2)

5 (4.5)

 

 Good recovery

116 (52.7)

65 (59.1)

51 (46.4)

 

 Moderate recovery

62 (28.2)

28 (25.5)

34 (30.9)

 

 Poor recovery

28 (12.7)

8 (7.3)

20 (18.2)

 

Complications [n (%)]

 Wound infection

26 (11.8)

8 (7.3)

18 (16.4)

0.022

 Inequality of lower limb

11 (5.0)

4 (3.6)

7 (6.4)

0.353

 Anchylosis

9 (4.1)

3 (2.7)

6 (5.5)

0.496