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Table 5 Prognostic factors for survival in patients with RA-ILD using a univariate Cox model

From: Are risk predicting models useful for estimating survival of patients with rheumatoid arthritis-associated interstitial lung disease?

 

Hazard ratio

95% CI

P- value

Age at diagnosis

1.06

1.02–1.10

0.002

Male sex

1.49

0.73–3.05

NS

Smoking

0.83

0.41–1.67

NS

FVC % pred

0.98

0.96–1.01

NS

DLCO % pred

0.98

0.96–1.00

0.014

RA duration

0.99

0.96–1.03

NS

UIP pattern in HRCT

0.77

0.36–1.64

NS

Positive RF

0.69

0.24–1.98

NS

MTX

1.20

0.59–2.42

NS

Use of oxygen

1.74

0.74–4.09

NS

Resp. hospitalization

1.12

1.01–1.26

0.039

Card. hospitalization

1.13

0.87–1.46

NS

CPI- points

1.03

1.01–1.06

0.015

GAP score

1.56

1.15–2.11

0.004

ILD-GAP score

1.51

1.05–2.18

0.026

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BMC Pulmonary Medicine

ISSN: 1471-2466

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