Table 2.

Regression coefficients for determinants of percentage change of 6MWT from baseline

				β	95 % CI	p value
Female sex				4.0	− 14.1–22.2	0.66
Singaporean ethnicity				7.4	− 13.2–27.9	0.48
Age at start advanced therapy (per 5 year lower)				4.5	0.8–8.1	0.017
Pretricuspid shunt				0.7	− 18.8–20.1	0.95
PDE-5 inhibitor treatment				7.4	− 13.2–27.9	0.48

6MWT six-minute walk test, PDE5 phosphodiesterase type 5.