Table 1 Hip scores from FHD evaluations for 5038 Maine Coon cats from 2000–2019 in the PawPeds hip dysplasia health monitoring programme based in Sweden.

From: Demography, heritability and genetic correlation of feline hip dysplasia and response to selection in a health screening programme

Hip score

Males (n = 1751)

Females (n = 3287)

left

right

maximum

left

right

maximum

0

1217

1197

1085 (0.620)

2309

2279

2068 (0.629)

1

312

331

372 (0.212)

605

630

723 (0.220)

2

165

157

217 (0.124)

287

282

370 (0.113)

3

57

66

77 (0.044)

86

96

126 (0.038)

  1. Hip scores range from 0 (no dysplasia) to 3 (severe dysplasia) and are assessed on both the left and right hips for each animal. Here these data are displayed for male and female cats, as well as the data distribution for each individual’s maximum hip score (e.g. if an individual scored left hip = 0, and right hip = 2, then their maximum = 2). Raw count data are shown; in parentheses, the proportion of the surveyed population with each maximum hip score is also given for ease of comparison between groups and sexes. In our GLMM and h2 analyses we use individual maximum hip scores as the main response variable. See Table S2 for additional information about laterality of FHD.
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