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. 2021 Oct 26;88(Suppl 4):S81–S88. doi: 10.1016/j.bjorl.2021.09.004

Table 4.

Univariate and multivariable generalized estimating equation model of flap loss.

Univariate analysis
OR (95% CI) p-Value
Age > 60 yr 6/204 (2.9) 0.49 (0.20–1.20) 0.118
Sex 34/708 (4.8) 0.55 (0.19–1.63) 0.285
Vein grafting 2/26 (7.7) 1.61 (0.37–7.06) 0.530
Prior radiation therapy 22/320 (6.9) 1.94 (1.00–3.75) 0.050
Prior chemotherapy 19/309 (6.1) 1.48 (0.77–2.84) 0.243
Prior free flap reconstruction 26/416 (6.3) 1.82 (0.91–3.67) 0.093
HTN 7/222 (3.2) 0.53 (0.23–1.22) 0.134
DM 5/121 (4.1) 0.79 (0.30–2.06) 0.624
Liver cirrhosis 0/12 (0)
Renal failure 0/3 (0)
Contralateral recipient vessels 5/106 (4.7) 0.93 (0.35–2.43) 0.875

DM, diabetes mellitus; HTN, hypertension.