TABLE 2.
Values for continuous clinical parameters and results of Wilcoxon rank-sum test comparing foals of vaccinated mares (n = 14) with control foals (n = 8)
| Clinical or hematological parameter | Median (range) for: |
P valuea | |
|---|---|---|---|
| Vaccinees | Controls | ||
| Frequencyb of: | |||
| Tachypneac | 51.5 (36 to 108) | 60.5 (37 to 80) | 0.1825 |
| Temp >103°F | 6 (0 to 50) | 8.5 (4 to 20) | 0.3362 |
| Temp >102.5°F | 12.5 (1 to 61) | 14 (8 to 28) | 0.5379 |
| Coughing | 5 (0 to 23) | 9.5 (2 to 18) | 0.1074 |
| Frequency (wks) of WBC >13,000 cells/μl | 2 (0 to 7) | 1.5 (0 to 5) | 0.6959 |
| Maximum WBC (1,000 cells/μl) | 22.34 (11.67 to 71.74) | 15.72 (12.27 to 32.35) | 0.7135 |
| Frequency (wks) of fibrinogen >400 mg/dl | 3.5 (1 to 9) | 3 (1 to 5) | 0.3848 |
| Maximum fibrinogen (mg/dl) | 800 (400 to 1,200) | 600 (400 to 1,100) | 0.3862 |
| Duration (wks) of ultrasound lesions | 3 (1 to 8) | 3 (2 to 4) | 0.9717 |
| Maximum diam of lesions (mm) | 116.25 (13.0 to 342.0) | 138.0 (32.5 to 212.2) | 0.9203 |
| Sum of diam of lesions (mm) | 201.3 (13.0 to 1,807.4) | 194.3 (72.5 to 549.1) | 0.8154 |
| No. of days treated | |||
| All foals | 12.5 (0 to 85) | 17 (0 to 24) | 0.4472 |
| Pneumonic foals | 15 (11 to 85) | 19 (8 to 24) | 0.9152 |
a
Derived by Wilcoxon rank-sum test.
b
Frequency of observation was twice daily; 2 observations = 1 day.
c
Defined as a respiratory rate of >40 breaths/min.