Table 3. Body weight (BW)-dependent reference interval (95% prediction interval) of left atrial anteroposterior diameter (LAD) in 330 heathy dogs.

BW (kg)	LAD (mm)a)
2	13.1–19.7
3	15.0–22.4
4	16.4–24.6
5	17.7–26.5
6	18.7–28.1
7	19.7–29.5
8	20.6–30.8
9	21.4–32.0
10	22.1–33.1
15	25.2–37.8
20	27.7–41.5
25	29.8–44.6
30	31.6–47.3
35	33.2–49.7
40	34.7–51.9
50	37.3–55.8
60	39.5–59.2
70	41.6–62.3

a) Allometric equation with 95% prediction intervals: Y=10.49 to 15.72 × M0.324.