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Table 4 Distribution and analysis of preoperative and postoperative factors related to mortality within 1 year after major lower limb amputation in northern Jordan

From: Major lower extremity amputation: a contemporary analysis from an academic tertiary referral centre in a developing community

Preoperative and postoperative variablesMortality at 1 yearP-value
Yes
N (% from total mortality)
No
N (% from total survival)
Sex
 Male19 (44.2)58 (68.2)0.008*
 Female24 (55.8)27 (31.8)
Age (mean ± SE, years)68.9 ± 1.560.1 ± 1.4< 0.001*
Comorbidities
 Hypertension43 (100.0)↑↑60 (73.2)< 0.001*
 Diabetes mellitus40 (87.1)74 (93.0)NS
 Ischaemic heart disease21 (50.0)40 (48.2)NS
 Congestive heart failure16 (39.0)25 (30.1)NS
 Stroke18 (42.9)↑↑16 (19.0)0.005*
 Chronic kidney disease16 (38.1)19 (22.4)0.049*
 Dyslipidaemia28 (65.1)56 (65.9)NS
 Buerger’s disease2 (4.7)15 (19.0)0.023*
Indication for amputation
 Acute limb ischaemia5 (11.6)11 (12.6)NS
 Chronic limb ischaemia3 (7.0)17 (20.0)
 Diabetic foot syndrome35 (81.4)57 (67.1)
Ulceration39 (90.7)70 (82.4)NS
Laboratory values
 Albumin27.2 ± 1.130.6 ± 1.00.023*
 HbA1c8.6 ± 0.49.0 ± 0.3NS
Level of amputation
 BKA33 (76.7)68 (80.0)NS
 AKA10 (23.3)17 (20.0)
Side
 Right25 (58.1)42 (49.4)NS
 Left18 (41.9)43 (50.6)
Bilateral amputation14 (32.6)22 (25.9)NS
Revision2 (4.7)11 (12.9)NS
Vascular surgeon21 (48.8)51 (60.0)NS
LOS (mean ± SE, days)6.1 ± 0.67.4 ± 0.7NS
  1. SE Standard error, HbA1c Haemoglobin A1c, BKA Below-knee amputation, AKA Above-knee amputation, LOS Length of stay, NS Not significant
  2. *Statistically significant difference
  3. Significantly greater than expected (p < 0.05)
  4. ↑↑Significantly greater than expected (p < 0.001)
  5. Significantly less than expected (p < 0.05)