Table 2

Effect sizes for differences in PC-QOL and cough measure responsiveness to change over time

MeasureEffect size
PC-QOL
 Psychological0.32
 Physical0.41
 Social0.32
 Total0.39
Cough count/h (objectively measured)0.19
Cough VCD0.31
Cough VAS0.43

  • PC-QOL, Parent Cough-Specific QOL questionnaire; VAS, verbal analogue scale; VCD, verbal category descriptive scale.