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. 2020 Oct 13;6(4):00363-2019. doi: 10.1183/23120541.00363-2019

TABLE 2.

i-BEST-1 multiple breath washout (MBW) data quality control according to site

Naïve sites Non-naïve sites Overall
Site i-BEST site 1 i-BEST site 2 i-BEST site 3 i-BEST site 4 i-BEST site 5 i-BEST site 6 i-BEST site 7 i-BEST site 8 i-BEST site 9 i-BEST site 10 i-BEST site 11
Number of testing sessions attempted 20 48 4 65 12 20 10 4 32 8 13
Overall success rate 6/20 (30%) 35/48 (73%) 0/4 (0%) 34/65 (52%) 9/12 (75%) 15/20 (75%) 6/10 (60%) 0/4 (0%) 26/32 (81%) 6/8 (75%) 0/13 (0%) 137/236
Combined success rate naïve versus non-naïve 105/179 (59%) 32/57 (56%) 58%
Success rate first 6 months versus remainder 46%:0% 68%:91% 0%:0% 48%:55% 75%:n/a 93%:100% 60%:n/a 0%:0% 84%:72% 86%:0% 0%:0%

n/a: No MBW data submitted during this timeframe.