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Table 1 Group comparison

From: “Revision of subtrochanteric femoral nonunions after intramedullary nailing with dynamic condylar screw”

 

Group 1 (n = 27)

Group 2 (n = 13)

p-value

Sex

  

0.58

 Female

16 (59.26%)

8 (61.54%)

 Male

11 (40.74%)

5 (38.46%)

Fracture-typea

  

0.32

 Seinsheimer Type IIA

3

2

 Seinsheimer Type IIB

1

2

 Seinsheimer Type IIIA

10

3

 Seinsheimer Type IIIB

1

 Seinsheimer Type IV

2

 Seinsheimer Type V

1

OTA-typea

  

0.54

 32A1

1

2

 32A2

 32A3

3

2

 32B2

10

4

 32B3

2

 32C2

 32C3

1

Trauma mechanismb

  

0.61

 Low energy

16

9

 High energy

6

3

Nonunion-type

  

0.53

 hypertrophic

3/27 (11.1%)

2/13 (15.4%)

 atrophic

24/27 (88.9%)

11/13 (84.6%)

Age

64.96 ± 15.87

66.31 ± 12.66

0.35

BMIc

26.9 ± 5.41

29.91 ± 5.6

0.57

Time to index procedure (months)

10.37 ± 7.2

8.85 ± 5.77

0.67

Prior surgeries per particpant

0.22 ± 0.42

0.69 ± 1.18

0.21

Mean operation time (minutes)

156.74 ± 42.63

149.08 ± 41.36

0.59

Number of red blood cell units tranfused

2.96 ± 3.57

3.15 ± 3.46

0.87

Lenght of hospital stay (days)

14.74 ± 5.45

15.77 ± 8.64

0.89

Diabetes mellitus

3/27 (11.1%)

0/13 (0%)

0.54

Steroid use

3/27 (11.1%)

0/13 (0%)

0.54

Smoking

3/27 (11.1%)

3/13 (23.1%)

0.37

Osteoporosis

2/27(7.4%)

3/13(23.1%)

0.31

Bony healing

27/27(100%)

10/13(76.92%)

0.03

Healing time (months)

7.96 ± 6.53

23.11 ± 26.57

0.01

Follow-up (months)

21.48 ± 17.52

36.15 ± 50.7

0.54

  1. aincomplete dataset; in 15 participants Information could not be gathered due to incomplete medical records at admission to our clinic
  2. bincomplete dataset; in six participants Information could not be gathered due to incomplete medical records at admission to our clinic
  3. cincomplete dataset; in one participant Information could not be gathered due to incomplete medical records at admission to our clinic