Table 3.

Hearing loss in children and adults with XLH in the Netherlands

	Total N = 80	Children N = 29	Adults N = 51
Patient reported hearing loss, n(%)	18 (22.5%)	2 (6.9%)	16 (31.4%)
Hearing loss by audiometry, n(%)	10 (12.5%)	3 (10.3%)	7 (13.7%)
Use of hearing aids, n(%)	6 (7.5%)	–	6 (11.8%)
Age at (reported) hearing loss	35.5 (5.0 to 69.8)	11.5 (8.3 to 14.8)	36.8 (5.0 to 69.8) [15]

Continuous values are displayed as median (range) unless otherwise stated, categorical variables are displayed in absolute counts (%)

n indicates the number of patients in whom these parameters were available