Table 4.

Characteristics of patients treated and not treated with corticosteroids in the 3 months prior to diagnosis

Variable	Corticosteroid users	Treatment naive	p-value
Age (yrs)	70.2	71.6	0.11
Male sex	57%	62%	0.16
Obesity	18%	18%	0.96
Smoking	38%	35%	0.54
Diabetes	12%	14%	0.54
Osteoporosis	22%	15%	0.02
HTN/CHF*	32%	31%	0.54
PUD/GIB**	6%	7%	0.61
Glaucoma/cataracts	17%	15%	0.46
Cough	54%	48%	0.12
Dyspnea	47%	38%	0.02
Oxygen use	34%	11%	<0.0001
Hx of asthma/COPD ***	29%	17%	0.0004
Hx of different ILD ‡	11%	6%	0.02
Hx of biopsy	10%	9%	0.53

^*Hypertension or congestive heart failure

^**Peptic ulcer disease or gastrointestinal bleeding

^***Chronic obstructive pulmonary disease

^‡Interstitial lung disease other than IPF