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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.