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. 2015 Feb 19;16(1):27. doi: 10.1186/s12931-015-0182-x

Table 3.

Anchor-based MID of ESWT (s and %) using CRQ and 6MWD

anchor MID ESWT 95% CI
MID ESWT (s) Wpeak 198.9 163.7–234.1
CRQ 186.4 147.4–225.4
6MWD 199.1 153.3–245.0
MID ESWT (%) Wpeak 81.2 65.3–97.0
CRQ 75.9 59.2–92.6
6MWD 82.2 63.5–100.9
MID ESWT (m) Wpeak 163.6 129.1–198.2
CRQ 153.7 115.6–191.8

Wpeak: peak work rate; CRQ: Chronic Respiratory Questionnaire; 6MWD: six minute walking distance; ΔESWT: change in endurance shuttle walking test.