Table 3.

Cox regression analysis for all-cause mortality from follow-up.

Variable	Hazard ratio	95% Confidence interval	p-value	Hazard ratio	95% Confidence interval	p-value
	Crude			NAC adjusted
6MWD, per +1 m	0.993	0.990–0.995	<0.001	0.995	0.992–0.998	<0.001
6MWD, per +50 m	0.697	0.614–0.794	<0.001	0.778	0.676–0.896	<0.001
6MWD, < 350 m	5.517	2.610–11.664	<0.001	2.912	1.279–6.629	0.011
Δ 6MWD, per +1 m	0.995	0.992–0.999	0.011	0.996	0.992–1.001	0.083
Δ 6MWD, < −35 m	1.831	0.968–3.462	0.063	1.573	0.811–3.050	0.180
Δ 6MWD, per +1%	0.984	0.971–0.996	0.012	0.992	0.979–1.005	0.237
Δ 6MWD, < −5%	1.881	0.988–3.582	0.055	1.326	0.657–2.676	0.431

Model statistics
Number of events, n (%)	47 (24.7%)

Δindicates change in; 6MWD, 6-min walk test distance; NAC, United Kingdom National Amyloidosis. Statistically significant p-values <0.05 marked in bold.