Fig. 2
From: The effective screening tools for detecting hearing loss in elderly population: HHIE-ST Versus TSQ
Graphs showing comparisons of hearing levels between the sexes (a and b) and across age groups (c and d). Graph (a) and (b) show hearing characteristic comparing between man (diamond) and woman (square) in left ear (a) and right ear (b). Graph (c) and (d) show hearing characteristic comparing between different age groups: 60–70 years old (diamond), 71–80 years old (square) and older than 80 years old (triangle) in left ear (c) and right ear (d)