By performing Rinne’s test using 256, 512 and 1024 Hz tuning forks, one can determine the degree of deafness.
If 256 is negative but 512 and 1024 are positive, this suggests mild conductive deafness. If 256 and 512 are negative but 1024 is positive this suggests moderate conductive hearing loss. If all three tuning forks show a negative Rinne, it suggests severe conductive hearing loss. However this interpretation is valid only for conductive deafness and not for mixed hearing loss and SNHL.