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Table 1 Frequency and severity of TMJ-OA lesions in male and female (juvenile/subadult and adult) individuals

From: Osteoarthritis of the temporomandibular joint in the Eastern Atlantic harbour seal (Phoca vitulina vitulina) from the German North Sea: a study of the lesions seen in dry bone

   maxTMJ-OA sumTMJ-OA
Stage Males Females Males Females
Frequencies (n (%)) normal 355 (41.2%) 469 (50.7%) 355 (41.2%) 469 (50.7%)
mild 326 (37.8%) 251 (27.1%) 364 (42.2%) 280 (30.3%)
moderate 145 (16.8%) 156 (16.9%) 126 (14.6%) 146 (15.8%)
severe 36 (4.2%) 49 (5.3%) 17 (2.0%) 30 (3.2%)
total 862 (100%) 925 (100%) 862 (100%) 925 (100%)
Percentiles 25th normal normal normal normal
50th mild normal mild normal
75th mild mild mild mild
90th moderate moderate moderate moderate
95th moderate severe moderate moderate
99th severe severe severe severe