Laryngopharyngeal Reflux Is a Potential Risk Factor for Juvenile-Onset Recurrent Respiratory Papillomatosis

Table 1

Characteristics of the study participants.

Patient	1	2	3	4	5	6	7	8	9	10	11
Sex	F	M	F	M	F	F	F	M	M	F	M
Age (years)	4	6	8	11	8	6	4	8	14	9	10
No. of previous JORRP surgeries	5	7	13	11	5	3	7	11	4	4	5
Primiparous mother	yes	no	no	no	no	no	yes	yes	no	no	no
Age of mother at delivery (years)	22	27	27	24	30	29	23	22	28	25	26
Mother with history of condylomata	no	no	no	no	no	no	no	no	no	no	no
Inosine pranobex	no	no	no	yes	no	yes	no	yes	yes	yes	no
HPV type	11	6	6	6	6	6	6	6	6	11	6
Pepsin	pos.	pos.	neg.	neg.	pos.	neg.	pos.	neg.	neg.	neg.	pos.

F = female, M = male, JORRP = juvenile-onset recurrent respiratory papillomatosis, pos. = positive, and neg. = negative.