Intraoperative blood perfusion factors in free anterolateral thigh flap repair for diabetic foot ulcers: A retrospective analysis

Table 6 Univariate logistic regression analysis of factors affecting intraoperative blood perfusion in free anterolateral thigh perforator flap repair for diabetic foot ulcers in patients with type 2 diabetes

Parameters	Coefficient	Std Error	Wald	P value	OR (95%CI)
Age (years)	0.07	0.03	2.69	< 0.01	1.07 (1.02-1.13)
BMI (kg/m²)	0.16	0.06	2.91	< 0.01	1.17 (1.06-1.31)
DPN [n (%)]	1.05	0.43	2.44	0.02	2.85 (1.25-6.75)
Duration of diabetes (years)	0.18	0.06	3.10	< 0.01	1.19 (1.07-1.34)
Ankle-brachial index (poor)	1.44	0.56	2.58	0.01	4.24 (1.50-14.00)
Glycated hemoglobin HbA1c (%)	0.45	0.14	3.15	< 0.01	1.57 (1.20-2.11)
Hb (g/L)	-0.05	0.02	-2.80	< 0.01	0.95 (0.92-0.99)
PaO2 (kPa)	-0.48	0.15	-3.16	< 0.01	0.61 (0.45-0.82)
PaCO2 (kPa)	1.47	0.47	3.13	< 0.01	4.34 (1.82-11.59)
Albumin (g/L)	-0.13	0.05	-2.43	0.02	0.88 (0.79-0.97)
Creatinine (μmol/L)	0.03	0.01	2.56	0.01	1.03 (1.01-1.06)
Prealbumin (mg/L)	-0.01	< 0.01	-2.45	0.01	0.99 (0.98-1.00)
Triglycerides (mmol/L)	0.98	0.38	2.61	< 0.01	2.68 (1.31-5.82)

PaO₂: Pulse oxygen partial pressure; PaCO₂: Arterial blood partial pressure of carbon dioxide; DNP: Diabetes peripheral neuropathy; BMI: Body mass index; HbA1c: Glycated hemoglobin; Hb: Hemoglobin; OR: Odds ratio.