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Table 3 Numbers (n), proportions (%) and p Values for sex, first amputation and amputation site groups within key conditions associated with lower extremity amputation

From: What are the key conditions associated with lower limb amputations in a major Australian teaching hospital?

 

Male sex

First amputation

Major amputation

 

n (%)

p value

n (%)

p value

n (%)

p value

Type 2 Diabetes

65 (65.7)

0.243 (NS)

51 (51.5)

0.197 (NS)

50 (50.5)

0.268 (NS)

PAD

25 (73.5)

0.559 (NS)

17 (50.0)

0.442 (NS)

26 (76.5)

0.004

Trauma

15 (100)

0.007

15 (100)

< 0.001

5 (33.3)

0.089 (NS)

Type 1 Diabetes

9 (69.2)

0.997 (NS)

4 (30.8)

0.061 (NS)

6 (46.2)

0.526 (NS)

Malignant tumours

4 (40.0)

0.038

6 (60.0)

0.789 (NS)

9 (90.0)

0.020

Joint Deformity

5 (71.4)

NA

6 (85.7)

NA

3 (42.9)

NA

Emboli

3 (75.0)

NA

2 (50.0)

NA

0 (0)

NA

Neuropathy

3 (100)

NA

2 (66.7)

NA

1 (33.3)

NA

Infection

0 (0)

NA

1 (100)

NA

1 (0)

NA

Total

129 (69.4)

< 0.001

104 (55.9)

0.107 (NS)

101 (54.3)

0.241(NS)

  1. PAD = Peripheral arterial disease (non-diabetes).
  2. NS = Not significant.
  3. NA = Not applicable to test as the assumption of Chi-Squared test is violated as 2 cells had expected counts of < 5.