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Table 3 Results of the 6 minute walk test (6MWT) in the study population (n = 25) in total as well as divided in groups based on the MRC score (0-1, 2, 3-4).

From: MRC chronic Dyspnea Scale: Relationships with cardiopulmonary exercise testing and 6-minute walk test in idiopathic pulmonary fibrosis patients: a prospective study

     MRC
  Total 0-1 2 3-4
  N Mean SD N Mean SD N Mean SD N Mean SD
Distance 25 326.40 153.06 10 462.60 85.18 8 278.50 123.59 7 186.57 90.68
1SPO2 at the initiation % 25 94.84 2.23 10 96.60 1.51 8 93.63 1.51 7 93.71 2.29
1SPO2 at the end % 25 87.64 5.61 10 92.60 4.06 8 84.63 3.78 7 84.00 4.00
2DSPO2 25 7.20 4.29 10 4.00 3.89 8 9.00 3.55 7 9.71 2.75
PULSE at the initiation 25 80.16 13.75 10 76.00 13.46 8 83.00 17.21 7 82.86 9.53
PULSE at the end 24 104.25 17.15 9 105.89 18.59 8 102.75 19.89 7 103.86 14.09
3BP Systolic (mmHg) 25 123.60 12.71 10 128.00 8.88 8 119.38 14.74 7 122.14 14.68
3BP Diastolic (mmHg) 25 76.00 6.45 10 78.50 4.12 8 75.00 9.26 7 73.57 4.76
BORG scale at the initiation 25 0.18 0.35 10 0.10 0.32 8 0.19 .37 7 0.29 0.39
BORG scale at the end 25 2.02 1.75 10 1.20 0.89 8 2.38 1.77 7 2.79 2.34
  1. All values are shown as mean ± standard deviation (SD)
  2. 1 SPO2 oxygen saturation
  3. 2 DSPO2 Difference of saturation between the end and the initiation of the test
  4. 3 BP Blood pressure