Table 8. Overall survival analysis in myositis-associated ILD (Cox proportional hazards model, multivariate).

	Hazard ratio	95% CI	P value
Age, yrs	1.059	1.019–1.102	0.003
CVD diagnosis
DM vs PM	2.186	0.6223–10.10	0.231
CADM vs PM	4.184	1.316–18.53	0.014
CADM vs DM	1.913	0.7933–4.895	0.149
Acute/subacute form	4.233	1.690–12.09	0.002
%FVC	0.9603	0.9277–0.9902	0.008

ILD: interstitial lung disease; 95% CI: 95% confidence interval; CVD: collagen vascular disease; PM: polymyositis; DM: dermatomyositis; CADM: clinically amyopathic dermatomyositis; FVC: forced vital capacity.