Table 4.

Positivity of mycobacteria (in %) in different organs for all animals and for the main animal species collected.

	Liver	Spleen	Lung	Mesenteric lymph nodes
All animals	1.6 (0.8–2.7)	2.1 (1.1–3.4)	3.2 (2.0–4.8)	1.9 (1.0–3.2)
C. gambianus	5.9 (1.0–17.4)	5.9 (9.0–17.4)	8.9 (2.2–21.8)	8.3 (2.0–20.4)
C. hirta	2.2 (0.6–5.7)	5.5 (2.4–10.5)	5.3 (2.3–10.1)	3.9 (1.4–8.3)
M. natalensis	1.2 (0.2–3.7)	1.2 (1.2–3.7)	3.7 (1.5–7.4)	3.7 (1.5–7.4)
R. rattus	0.38 (0.020–1.7)	0.38 (0.020–1.7)	1.6 (0.48–3.6)	0.76 (0.13–2.3)

Page's test for order tests the following hypothesis:

H₀: liver = spleen = lymph = lung; H_a: liver < spleen < lymph < lung.

Test statistic L = 115,5; α < 0.01.