Table 1

Data from patients who completed three shuttle walking tests who were excluded from the study

	Distance walked (m)
Patient no	Test 1	Test 2	Test 3	Reasons for exclusion
8	80	90	120	Not SOB, back pain
10	140	140	210	Transfused between tests 2 and 3
12	100	130	120	Not SOB, giddy
13	170	150	170	Not SOB, leg pain
14	150	70	70	Chest infection between tests 2 and 3
16	20	20	20	Not SOB, lack of mobility
17	270	300	270	Not SOB, ankle pain
19	80	70	60	Developed pleural effusion between tests 2 and 3
27	140	150	210	Baseline SOB very different on tests 2 and 3
30	200	260	350	Not SOB, knee hurt