Table 1 Differences in oxygen prescriptions, 6MWT distances and oxygen usage between patients with APO₂ involved versus standard care

Number of oxygen titrations per patient

8 (6, 10)

5 (4, 8)

< 0.001

Number of oxygen prescriptions per patient

3 (2, 4)

1 (1, 2)

< 0.001

Minimum of prescribed oxygen dosage, litres/minute

1 (0, 4)

0 (0, 0)

< 0.001

Maximum of prescribed oxygen dosage, litres/minute

4 (2, 6)

4 (4, 5)

0.029

Range of prescribed oxygen dosage, litres/minute

2 (1, 3)

4 (3, 4)

< 0.001

6MWT start of rehabilitation

 Distance, m

225 (122, 300)

240 (150, 330)

0.2

 Number of patients that used oxygen, n (%)

74 (62%)

270 (37%)

< 0.001

6MWT end of rehabilitation

 Distance, m

318 (248, 426)

335 (235, 420)

> 0.9

 Number of patients that used oxygen, n (%)

76 (66%)

246 (35%)

< 0.001

 6MWT change, m

95 (54, 150)

80 (30, 135)

0.034