Table 4

Incremental shuttle walk test reference values for heart failure (HF) patients split by age, gender and presence chronic obstructive pulmonary disease (COPD) and depression

Heart failure (HF) +comorbidity category	Age & Gender		Incremental shuttle walk test (ISWT)						Count
			Mean distance (metres)	SD	Percentile 05	Percentile 25	Percentile 75	Percentile 95
										HF only	<67 years	Male	338	180	70	200	460	630	443
											<67 years	Female	285	145	70	190	350	520	190
67+years	Male	243	138	60	140	330	480	434
67+years	Female	184	109	40	100	250	390	211
HF +COPD	<67 years		237	133	40	120	330	430	51
HF +COPD	67+years		197	120	40	90	270	470	59
HF +Depression	<67 years		261	143	30	150	340	520	95
HF +Depression	67+years		233	107	70	155	295	420	52