Both PND and PND-induced cough increased in frequency according to the severity of SRC, but this trend did not reach statistical significance ( p = 0.051 and p = 0.063, respectively) ( Fig. 1A ).
1
0.0510
0.0510
Both PND and PND-induced cough increased in frequency according to the severity of SRC, but this trend did not reach statistical significance ( p = 0.051 and p = 0.063, respectively) ( Fig. 1A ).