Table 4 Distribution and analysis of preoperative and postoperative factors related to mortality within 1 year after major lower limb amputation in northern Jordan
Preoperative and postoperative variables | Mortality at 1 year | P-value | |
|---|---|---|---|
Yes N (% from total mortality) | No N (% from total survival) | ||
Sex | |||
 Male | 19 (44.2) | 58 (68.2) | 0.008* |
 Female | 24 (55.8) | 27 (31.8) | |
Age (mean ± SE, years) | 68.9 ± 1.5 | 60.1 ± 1.4 | < 0.001* |
Comorbidities | |||
 Hypertension | 43 (100.0)↑↑ | 60 (73.2) | < 0.001* |
 Diabetes mellitus | 40 (87.1) | 74 (93.0) | NS |
 Ischaemic heart disease | 21 (50.0) | 40 (48.2) | NS |
 Congestive heart failure | 16 (39.0) | 25 (30.1) | NS |
 Stroke | 18 (42.9)↑↑ | 16 (19.0) | 0.005* |
 Chronic kidney disease | 16 (38.1)↑ | 19 (22.4) | 0.049* |
 Dyslipidaemia | 28 (65.1) | 56 (65.9) | NS |
 Buerger’s disease | 2 (4.7)↓ | 15 (19.0) | 0.023* |
Indication for amputation | |||
 Acute limb ischaemia | 5 (11.6) | 11 (12.6) | NS |
 Chronic limb ischaemia | 3 (7.0) | 17 (20.0) | |
 Diabetic foot syndrome | 35 (81.4) | 57 (67.1) | |
Ulceration | 39 (90.7) | 70 (82.4) | NS |
Laboratory values | |||
 Albumin | 27.2 ± 1.1 | 30.6 ± 1.0 | 0.023* |
 HbA1c | 8.6 ± 0.4 | 9.0 ± 0.3 | NS |
Level of amputation | |||
 BKA | 33 (76.7) | 68 (80.0) | NS |
 AKA | 10 (23.3) | 17 (20.0) | |
Side | |||
 Right | 25 (58.1) | 42 (49.4) | NS |
 Left | 18 (41.9) | 43 (50.6) | |
Bilateral amputation | 14 (32.6) | 22 (25.9) | NS |
Revision | 2 (4.7) | 11 (12.9) | NS |
Vascular surgeon | 21 (48.8) | 51 (60.0) | NS |
LOS (mean ± SE, days) | 6.1 ± 0.6 | 7.4 ± 0.7 | NS |