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Table 3 Firth’s bias-reduced logistic regression analyses of the risk factors for BPF

From: Novel method for bronchial stump coverage for prevents postpneumonectomy bronchopleural fistula: pedicled thymopericardial fat flap

Covariates

Estimate

Standard error

p-value

X2

95% Cl

TPF (0: no, 1: yes)

− 1.011

0.857

0.256

1.596

− 3.257–0.489

Operation side (0: left, 1: right)

0.881

0.541

0.115

2.478

− 0.223–1.967

Re-operation (0: no, 1: yes)

1.000

0.768

0.202

1.631

− 0.583–2.419

Surgical approach (0: thoracotomy, 1: VATS)

− 1.072

1.445

0.402

0.702

− 5.955–1.104