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. 2021 Dec 3;8(1):1–41. doi: 10.1007/s41030-021-00178-1

Table 3.

Values of OPEP variables of interest (mean ± SD) by device and resistance level (from Poncin et al. [54]. Republished with permission of Daedelus Press,from Poncin et al. [54]; permission conveyed through Copyright Clearance Center, Inc

Resistance setting Acapella* choice Aerobika* Flutter* PARI
O-PEP*
Ppeak (cm H2O) Low 31.3 ± 27.8 12.8 ± 7.6 16.4 ± 4.0 17.1 ± 4.5
Medium 34.1 ± 29.0 15.8 ± 8.9 19.6 ± 4.0 20.3 ± 4.4
High 38.4 ± 30.2 19.6 ± 10.7 21.2 ± 4.8 20.6 ± 4.2
PEP (cm H2O) Low 17.2 ± 14.6 7.4 ± 4.5 12.2 ± 2.7 12.4 ± 3.3
Medium 18.9 ± 15.0 9.2 ± 5.6 15.4 ± 2.4 15.9 ± 3.0
High 22.2 ± 16.1 11.5 ± 6.8 17.0 ± 2.9 16.7 ± 3.1
Oscillation amplitude (l/s) Low 0.20 ± 0.08 0.22 ± 0.09 0.37 ± 0.14 0.32 ± 0.14
Medium 0.17 ± 0.07 0.31 ± 0.11 0.21 ± 0.17 0.17 ± 0.06
High 0.13 ± 0.06 0.30 ± 0.05 0.18 ± 0.07 0.11 ± 0.06
Oscillation frequency (Hz) Low 15.1 ± 6.3 10.5 ± 2.9 12.7 ± 1.5 13.9 ± 1.3
Medium 15.5 ± 4.9 11.0 ± 3.0 15.9 ± 1.8 17.0 ± 1.8
High 17.9 ± 6.1 13.3 ± 3.9 17.6 ± 0.9 17.1 ± 2.1