From: Glottic and skull indices in canine brachycephalic airway obstructive syndrome
 |  | Glottic height | Glottic width | Glottic index | |||
---|---|---|---|---|---|---|---|
 | n | Mean ± SD | Median | Mean ± SD | Median | Mean ± SD | Median |
Total population | 40 | 209.67 ± 46.41 | 223.12 | 48.70 ± 17.57 | 42.99 | 24.44 ± 10.81 | 20.71 |
Pugs | 15 | 211.80 ± 28.16 | 223.12 | 39.97 ± 14.88 | 36.20 | 19.35 ± 8.06 | 17.80 |
FB | 15 | 221.56 ±43.72 | 230.67 | 51.03 ± 16.61 | 45.30 | 23.58 ± 7.60 | 20.45 |
EB | 10 | 186.31 ± 67.90 | 178.71 | 58.32 ± 18.04 | 53.07 | 33.35 ± 13.53 | 31.39 |