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Table 2 Clinical results and statistical analysis

From: Comparison between absorbable pins and mini-screw fixations for the treatment of radial head fractures Mason type II-III

 

PIN

(mean ± SD)

n = 82

Mini-screw

(mean ± SD)

n = 61

p-value

Post-hoc analysis of powerc

Patient’s age (years)

45.4 ± 13.1

47.2 ± 15.4

0.459a

 

Follow-up (months)

82.5 ± 20.6

47.3 ± 35.8

< 0.001b

 

 Flexion (°)

138.2 ± 5.5

139.5 ± 2.2

0.217b

58.2%

Extension deficit (°)

5.5 ± 11.7

2.0 ± 7.0

0.085b

49.7%

 Pronation (°)

73.1 ± 3.4

73.6 ± 2.3

0.623b

18.7%

 Supination (°)

82.3 ± 6.0

81.7 ± 5.4

0.290b

8%

  DASH

0.8 ± 2.0

0.3 ± 0.5

0.554b

72.9%

  MEPS

97.3 ± 5.8

98.3 ± 5.7

0.072b

17.8%

Comparison of displacement of the fragments

 

1.000c

 

Comparison of residual pain

 

0.109c

 
  1. a T-test
  2. b Mann-Whitney test
  3. c Fisher’s test