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

Table 7 Multivariate 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)	0.09	0.05	1.85	0.07	1.09 (1.00-1.20)
BMI (kg/m²)	0.27	0.11	2.39	0.02	1.31 (1.05-1.64)
DPN [n (%)]	1.80	0.98	1.84	0.07	6.03 (0.89-41.06)
Duration of diabetes (years)	0.27	0.11	2.47	0.01	1.31 (1.06-1.63)
Ankle-brachial index (poor)	0.36	1.20	0.30	0.77	1.43 (0.14-14.85)
Glycated hemoglobin HbA1c (%)	0.31	0.10	3.07	< 0.01	1.37 (1.12-1.67)
Hb (g/L)	-0.13	0.04	-2.97	< 0.01	0.88 (0.81-0.96)
PaO2 (kPa)	-1.10	0.38	-2.87	< 0.01	0.33 (0.16-0.71)
PaCO2 (kPa)	1.04	0.31	3.41	< 0.01	2.84 (1.56-5.17)
Albumin (g/L)	-0.10	0.04	-2.59	0.01	0.91 (0.85-0.98)
Creatinine (μmol/L)	0.12	0.04	3.08	< 0.01	1.13 (1.04-1.22)
Prealbumin (mg/L)	-0.03	0.01	-2.81	< 0.01	0.97 (0.95-0.99)
Triglycerides (mmol/L)	1.14	0.82	1.39	0.17	3.11 (0.62-15.53)

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.