Table 2 Prognostic factors for overall survival

Prognostic factors

HR (95 % CI)

p

HR (95 % CI)

p

Age group

4.2 (3.1–5.6)

<0.001

3.6 (2.1–6.2)

<0.001

Low DLCO^a

5.2 (3.2–8.7)

<0.001

3.8 (2.1–7.1)

<0.001

IPF^b

13.8 (7.6–25.0)

<0.001

4.8 (2.1–10.8)

<0.001

Male

2.6 (1.7–3.9)

<0.001

3.2 (1.4–7.1)

0.005

Pulmonary Tbc.^c

1.5 (1.1–2.2)

0.039

-

Hypertension

1.39 (1.1–1.9)

0.036

-

Diabetes mellitus

1.9 (1.3–2.8)

<0.001

-

Decreased kidney function^d

2.7 (1.1–7.2)

0.043

-

Stage IB

1.9 (1.4–2.6)

<0.001

-

Lobectomy/bi-lobectomy

1.7 (1.1–2.8)

0.033

-

Thoracotomy

2.8 (2.0–3.9)

<0.001

-