Table 1 Mean observed values, standard deviations (SD), minimum (Min) and maximum (Max) values, and calculated reference intervals (RI) for latency (shortest latency of 4 observations per horse) and amplitude (maximum amplitude of 4 observations per horse) values for each cervical nerve in 50 healthy horses

1

50

14.0

1.4

11.1

17.1

11.2–16.8

2

50

14.1

1.4

10.5

17.3

10.6–17.2

3

50

13.7

1.4

10.9

16.8

11.0–16.6

4

50

14.1

1.2

11.2

16.7

11.4–16.6

5

50

15.0

1.3

12.4

18.1

12.6–18.1

6

50

15.9

1.5

13.1

19.6

13.2–19.4

7

50

16.5

1.4

13.5

19.2

13.6–19.2

8

50

17.4

1.3

14.5

20.1

14.6–20.1

1

50

8.2

3.7

0.9

16.7

1.2–16.2

2

50

7.1

4.3

1.1

18.8

1.1–18.3

3

50

9.3

4.0

2.0

18.2

2.2–18.0

4

50

7.8

3.4

1.9

16.7

2.0–16.4

5

50

8.4

3.9

1.5

16.1

1.6–15.9

6

50

8.0

3.9

1.9

18.7

2.1–18.2

7

50

8.3

2.9

1.8

16.3

2.1–15.4

8

50

8.8

4.1

2.6

19.8

2.7–19.8