Skip to main content

Table 5 6-minute walk test 6 months after initial SARS-CoV-2 infection in 55 patients treated in intensive care units

From: Lung function and exercise capacity 6 months after hospital discharge for critical COVID-19

 

Value

Range

Walk distance, median (IQR), m

548 (505–607)

135–786

Percentage of predicted value, %, median (IQR)

107.7 (96.3–116.7)

30–142.2

Distance < Predicted value, N (%)

18 (33)

 

Distance < 80% of predicted, N (%)

4 (7)

 

Distance < LLN, N (%)

2 (4)

 

SpO2 before exercise, %, median (IQR)

95 (94–96)

86–100

Minimum SpO2 during exercise, %, median (IQR)

92 (90–93)

80–97

SpO2 5 min of rest after exercise, %, median (IQR)

96 (95–97)

82–98

Dyspnoea on Borg scale before exercise, median (IQR)

0.0 (0.0–1.0)

0–8

Dyspnoea on Borg scale after exercise, median (IQR)

2.0 (0.4–3.0)

0–9

Fatigue on Borg scale before exercise, median (IQR)

0.5 (0.0–2.0)

0–6

Fatigue on Borg scale after exercise, median (IQR)

2.0 (1.4–3.3)

0–8

  1. IQR, interquartile range; LLN, lower limit of the normal range; SpO2, peripheral capillary oxygen saturation; HR, heart rate