| Individuals examined | TMJ-OA frequency [%] | TMJ-OA severity [%] a | Age class ratio | Affected [%] | ||||
---|---|---|---|---|---|---|---|---|---|
(Sub)species | mild (1) | moderate (2) | severe (3) | (juvenile:adult) | juveniles | adults | |||
Callorhinus ursinus [10] | 145 | 20.0 | 43.9 | 31.6 | 24.6 | 1.5 | 87:58 | n/a b | |
Odobenus rosmarus [13] | 76 | 60.5 | 54.7 | 30.2 | 15.1 | 0.3 | 18:58 | 11.1 | 75.9 |
Phoca v. richardii [11] | 194 | 34.5 | 54.1 | 28.1 | 17.8 | 0.9 | 93:101 | n/a b | |
Phoca v. vitulina [this study] | 1787 | 53.9 | 68.1 | 26.0 | 5.9 | 1.0 | 910:877c | 24.5 c | 84.4 |
Zalophus californianus [12] | 497 | 63.5 | 82.0 | 7.0 | 11.0 | 0.5 | 173:324 | 52.6 | 69.6 |
Enhydra lutris nereis [14] | 1008 | 4.1 | 41.5 | 19.5 | 39.0 | n/a | n = 6 | n = 35 | |
Ursus maritimus [15] | 249 | 9.2 | 52.9 | 41.2 | 5.9 | 1.0 | 124:125 | 1.6 | 11.3 |