Table 2 Clinical demographics of study cohort, by group

Amputation etiology

 Traumatic

90 (78.9%)

27 (60%)

63 (91.3%)

 < 0.001

 Non-traumatic (NT)

24 (21.1%)

18 (40%)

6 (8.7%)

  NT—dysvascular (diabetic)

7 (6.1%)

6 (13.3%)

1 (1.4%)

  NT—cancer

8 (7.0%)

5 (11.1%)

3 (4.3%)

  NT—congenital deformities

3 (2.6%)

2 (4.4%)

1 (1.4%)

  NT—surgical complications & infections (secondary)

6 (5.3%)

4 (8.9%)

2 (4.4%)

Gender

 Men

88 (77.2%)

30 (66.7%)

58 (84.1%)

0.011

 Women

22 (19.3%)

14 (31.1%)

8 (11.6%)

Age (a)

50 (15)

51 (22)

49.5 (13)

0.610

Age at amputation (a)

30 (22.5)

39 (31.5)

29 (21)

0.001

Time since amputation (a)

16.5 (26.3)

4.5 (19)

19.5 (26.8)

 < 0.001

Time from amputation to 1^st TFP (mo.s)

6 (5)

6 (5.25)

6 (4)

0.760