Atrial fibrillation after pulmonary lobectomy for lung cancer affects long-term survival in a prospective single-center study

Table 4 Independent predictors of postoperative mortality

Predictor	p Value	HR	95% CI
In 445 discharged patients
UICC cancer stage^a	< 0.001	2.09	1.60 - 2.74
Diabetes	0.004	1.64	1.17 - 2.29
Male gender	0.018	1.51	1.07 - 2.13
Age^b	0.021	1.02	1.00 - 1.04
In 151 5-year survivors
Postoperative AF	0.007	3.75	1.44 - 9.81
FEV₁ < 80%	0.027	2.07	1.09 - 3.93

^a Classes I and II vs. classes III and IV (class I and II as a reference group)
^b By one-year increment
CI confidence interval, HR hazard ratio, FEV ₁ forced expiratory volume in 1 second, UICC Union Internationale Contre le Cancer

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