Table 2 Results of evaluation of the value of factors as predictive of outcome
From: Predictive factors for successful limb salvage surgery in diabetic foot patients
Factors | Outcome | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
Success group | Failure group | P-value | OR | 95% CI | ||||||
n (%) | Mean (SD) | n (%) | Mean (SD) | Lower limit | Upper limit | |||||
Age (years) | 0.449 | 1.13 | 0.818 | 1.574 | ||||||
≤40 | 4(3.2%) | 0(0%) | ||||||||
41-50 | 23(18.6%) | 4(13.3%) | ||||||||
51-60 | 22(17.7%) | 3(10.0%) | ||||||||
61-70 | 30(24.2%) | 13(43.3%) | ||||||||
71-80 | 38(30.7%) | 10(33.3%) | ||||||||
>80 | 7(5.7%) | 0(0%) | ||||||||
Total | 124(100%) | 30(100%) | ||||||||
Sex | 0.282 | |||||||||
Male | 81(65.3%) | 23(76.7%) | ||||||||
Female | 43(34.7%) | 7(23.3%) | ||||||||
Smoking | 0.802 | |||||||||
Current or Ex-smoker | 25(20.2%) | 7(23.3%) | ||||||||
Never | 99(79.8%) | 23(76.7%) | ||||||||
Hypertension | 0.419 | |||||||||
Yes | 61(49.2%) | 13(43.3%) | ||||||||
No | 63(50.8%) | 17(56.7%) | ||||||||
Ischemic heart disease | 0.966 | |||||||||
Yes | 8(6.5%) | 2(6.7%) | ||||||||
No | 116(93.5%) | 28(93.3%) | ||||||||
Stroke | 0.84 | |||||||||
Yes | 14(11.3%) | 3(10.0%) | ||||||||
No | 110(88.7%) | 27(90.0%) | ||||||||
Chronic renal failure | <0.01 | |||||||||
Yes | 11(8.9%) | 11(36.7%) | ||||||||
No | 113(91.1%) | 19(63.3%) | ||||||||
Premorbid ambulation state | <0.01 | 1.84 | 1.26 | 2.68 | ||||||
Independent | 80(64.5%) | 8(26.7%) | ||||||||
Walking with aid | 19(15.3%) | 10(33.3%) | ||||||||
Wheel chair | 17(13.7%) | 7(23.3%) | ||||||||
Bedridden | 8(6.5%) | 5(16.7%) | ||||||||
Preoperative laboratory finding | ||||||||||
Hb (g/dl) | 10.55 (2.3) | 9.42 (1.4) | <0.01 | |||||||
WBC (/mm3) | 10471 (5535) | 12475 (5263) | <0.01 | |||||||
CRP (mg/dl) | 6.16 (7.5) | 10.62 (5.3) | <0.01 | |||||||
Creatinine (mg/dl) | 1.82 (2.3) | 2.82 (2.6) | 0.251 | |||||||
HbA1C (%) | 7.62 (1.9) | 7.53 (1.9) | 0.11 | |||||||
Preoperative radiologic findings | ||||||||||
X-ray | ||||||||||
Osteomyelitis | 18(14.5%) | 7(23.3%) | 0.24 | |||||||
None | 106(85.5%) | 23(76.7%) | ||||||||
CT angiogram* | ||||||||||
Damaged vessel† | <0.01 | 4.38 | 2.360 | 8.151 | ||||||
Number of damaged vessels†† | ||||||||||
None versus ≥ 1 | 0.133 | 2.903 | 0.619 | 13.615 | ||||||
≤1 versus ≥ 2 | <0.01 | 16.677 | 4.980 | 55.846 | ||||||
≤2 versus 3 | <0.01 | 21.583 | 6.483 | 71.86 | ||||||
Anterior tibial artery | <0.01 | 10.405 | 4.088 | 26.486 | ||||||
Patent | ||||||||||
Stenosis > 50%, Diffuse atheromatosis | ||||||||||
Occlusion | ||||||||||
Posterior tibial artery | <0.01 | 5.062 | 2.633 | 9.733 | ||||||
Patent | ||||||||||
Stenosis > 50%, Diffuse atheromatosis | ||||||||||
Occlusion | ||||||||||
Peroneal artery | <0.01 | 4.229 | 2.240 | 7.984 | ||||||
Patent | ||||||||||
Stenosis > 50%, Diffuse atheromatosis | ||||||||||
Occlusion | ||||||||||