Table 1.

Prevalence of EILO

Study	No. of subjects	Age group of cohort	Prevalence of EILO/EIVCD/EIPVFM (%)
Christensen et al. [11]	556	14–24	42 (7.5)
Nielsen et al. [3]	88	Median age of 17	31 (35.2)
Johansson et al. [5]	146	12–13	8 (5.5)
Total	790	–	81 (10.25)

EILO exercise induced laryngeal obstruction, EIVCD exercise induced vocal cord dysfunction, EIPVFM exercise induced paradoxical vocal fold motion