Table 4 Multivariate analyses of risk and prognostic factors for short- and long-term results in elderly patients

Short-term outcomes

30-day mortality

DLCO less than 70 % of prediction

17.1 (1.46–199)

0.024

90-day mortality

DLCO less than 70 % of prediction

8.47 (1.11–64.6)

0.039

Complication rate

Male gender

7.80 (3.10–19.6)

<0.001

DLCO less than 70 % of prediction

3.51 (1.03–12.0)

0.045

Hospital stay

Open thoracotomy

6.75 (2.41–11.1)

0.003

DLCO less than 70 % of prediction

8.64 (1.88–15.4)

0.013

Long-term outcomes

5-year overall survival

Squamous cell carcinoma

3.18 (1.56–6.48)

0.001

DLCO less than 70 % of prediction

2.37 (1.10–5.14)

0.028

5-year disease-free survival

Male gender

2.57 (1.29–5.09)

0.007

DLCO less than 70 % of prediction

2.07 (1.07–4.00)

0.030

Recurrence rate within 2 years

Stage IB

1.7 (1.04–2.75)

0.035