Table 2.

Influencing baseline factors on medical costs across ILD subtypes

	IPF	PF-ILD	Sarcoidosis	Other ILD
	surcharge factor [95% CI]	surcharge factor [95% CI]	surcharge factor [95% CI]	surcharge factor [95% CI]
Male	0.06 [0.00–0.22]	1.05 [0.77–1.34]	0.93 [0.84–1.03]	1.67 [1.59–1.76]*
Former/Current smoker	2.47 [2.40–2.55]*	0.41 [0.00–0.83]	0.91 [0.57—–1.25]	0.82 [0.54–1.11]
Age	1.10 [1.09–1.10]*	1.04 [1.03–1.06]*	1.00 [0.99–1.00]	1.03 [1.02–1.04]*
FVC % pred. At baseline	0.91 [0.90–0.92]*	0.99 [0.98–1.00]	0.99 [0.99–0.99]*	0.99 [0.99–1.00]
Disease duration	1.02 [0.89–1.15]	0.90 [0.90–0.91]*	0.95 [0.93–0.97]*	0.91 [0.91–0.91]*
Comorbidity sum score	1.59 [1.49–1.69]*	1.50 [1.41–1.59]*	1.23 [1.19–1.26]*	1.89 [1.80–1.97]*

^*p-value < 0.05