Table 1.
Mean values ± SD (liters/min).
*UPCF = unassisted peak cough flow; †PCF = peak cough flow; ‡VPCF = volume assisted peak cough flow; §MPCF = manual assisted peak cough flow; ∥CPCF = combined peak cough flow, ¶p < 0.001, **Both the values of VPCF and MPCF, which were similar, were higher than that of UPCF but lower than that of CPCF.