Table 5.

The hazard ratios for overall mortality across C₂HEST risk stratification in both COPD and non-COPD groups.

		COPD			Non-COPD
Total Deaths	HR	95% CI	p-Value	HR	95% CI	p-Value
Overall	1.04	0.88–1.23	0.64	1.42	1.37–1.48	<0.0001
Risk strata
Medium- vs. low-risk	0.84	024–2.99	0.79	3.44	2.84–4.16	<0.0001
High- vs. low-risk	1.15	0.35–3.80	0.81	5.11	4.12–6.34	<0.0001