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. 2018 Dec 29;5(2):117–121. doi: 10.1016/j.wjorl.2018.09.004

Table 1.

CDL equations proposed by various studies along with Greenwood frequency function.

Studies CDL equations
Escude et al4 CDL(LW) = 2.62 × A × loge (1+ (Ө/235))
Erixon et al5 CDL(LW) = 3.08 × A + 12.44
Alexiades et al8 CDL(OC) = 4.16 × A − 4
Koch et al22 CDL(OC) = 4.16 × A − 5.05
Greenwood et al10 F = A (10ax − k)

Where A is a constant (165.4) and k = 0.88. x is the proportion of the basilar membrane length.