Table 3 Results of the zero-inflated negative binomial regression of frequency of hospitalisations stratified in ILD-related and non-ILD-related

 Sex

Male

Reference

Reference

Female

0.96

0.0009

0.91

<.0001

 Entity

SARC

Reference

Reference

IIP

1.23

<.0001

1.31

<.0001

OFI

1.36

<.0001

1.29

<.0001

DAI

1.43

<.0001

1.26

0.0002

PNE

1.25

<.0001

1.06

0.0945

RAP

1.63

<.0001

1.20

0.0036

EPP

1.43

<.0001

1.13

0.0007

HSP

1.08

0.0535

1.07

0.1265

CTD

2.17

<.0001

0.63

<.0001

 OSAS

If present in quarter of diagnosis

1.11

<.0001

1.09

0.0007

 Depression

If present in quarter of diagnosis

1.09

<.0001

1.04

0.0248

 Diabetes

If present in quarter of diagnosis

1.07

<.0001

1.16

<.0001

 GERD

If present in quarter of diagnosis

1.10

<.0001

1.00

0.7957

 COPD

If present in quarter of diagnosis

0.90

<.0001

1.27

<.0001

 CHD

If present in quarter of diagnosis

1.15

<.0001

1.19

<.0001

 Lung cancer

If present in quarter of diagnosis

2.04

<.0001

0.89

<.0001

 Pulmonary hypertension

If present in quarter of diagnosis

0.94

0.001

1.68

<.0001

 Number of comorbidities

If present in quarter of diagnosis

1.23

<.0001

1.07

<.0001

 Lung transplantation

If occured during observation period

1.83

<.0001

2.36

<.0001

 Immunosuppressive drugs

If treated during observation period

1.24

<.0001

1.24

<.0001

 Anti-fibrotic drugs

If treated during observation period

0.77

<.0001

2.12

<.0001

 Steroids

If treated during observation period

1.28

<.0001

1.95

<.0001

1.02

<.0001

1.00

0.2924

1.00

<.0001

1.00

0.0055

1.17

<.0001

1.09

<.0001

1.00

<.0001

1.00

<.0001

1.06

<.0001

1.00

<.0001

1.07

0.0005

1.28

0.0404

1.00

0.0008