Criteria

Total study percentage

Insurance

Medicare/

medicaid

Uninsured

All insured

%

Uninsured

%

P value

96 total patients

24 (25%)

21 (22%)

51 (56%)

45

47%

51

53%

AGE AVERAGE (RANGE)

53 (20 - 68)

61 (36 - 77)

54 (19 - 80)

54 (19 - 80)

RACE

Race p value

0.0029

0.4317

0.195

0.0034

WHITE (n = 40)

42%

11 (46%)

9 (43%)

20 (39%)

20

44%

20

39%

0.6169

BLACK (n = 55)

57%

13 (54%)

12 (57%)

30 (59%)

25

56%

30

59%

0.7666

OTHER (n = 1)

1%

0

0

1 (2%)

0

0%

1

2%

0.3402

GENDER

FEMALE (n = 30)

31%

6 (25%)

5 (24%)

19 (37%)

11

24%

19

37%

0.169

MALE (n = 66)

69%

18 (75%)

16 (76%)

32 63%)

34

76%

32

63%

0.169

TOBACCO USAGE

89%

18 (75%)

19 (90%)

48 (94%)

37

82%

48

94%

0.0672

DIABETES

75%

14 (58%)

16(76%)

42 (82%)

30

67%

42

82%

0.0904

COPD

58%

8 (33%)

10 (48%)

38 (75%)

18

40%

38

75%

0.0005

CAD

63%

12 (50%)

13 (62%)

35 (69%)

25

56%

35

69%

0.1882

CHF

36%

4 (17%)

12 (57%)

21 (41%)

16

36%

21

41%

0.6156

HTN

66%

10 (42%)

13 (62%)

40 (78%)

23

51%

40

78%

0.0055

ARF (CR > 2) @ PRESENTATION

38%

3 (13%)

7 (33%)

26 (51%)

10

22%

26

51%

0.0034

TIMELINE TO CARE (IN HOURS)

12.143643

12.648317

12.975537

12.975537

need SD

p = 0.0499

AMPUTATION (MAJOR, MINOR, NONE)

MAJOR

52%

11 (46%)

13 (62%)

26 (51%)

24

53%

26

51%

0.8448

MINOR

27%

9 (38%)

6 (25%)

11 (22%)

15

33%

11

22%

0.2266

p value

0.7542

0.005

<0.0001

NONE

21%

4 (17%)

2 (10%)

14 (27%)

6

13%

14

27%

0.0896