Table 2 Comparison of results after subgrouping horses due to clinical and light microscopic findings
| Â | n | Histological score: median (span) | IHC (MP): median (span) | IHC (PII): median (span) | IHC (BE): median (span) | IHC (percentage): median (span) | PCR: positive cases (percentage) |
|---|---|---|---|---|---|---|---|
Subgroup I | 15 | 0 (0–2) | 0 (0–1) | 0 (–-4) | 6 (–-63) | 0.359 (0–4,79) | 5 (33.3) |
Subgroup II | 5 | 5 (4–6) | 0 (0–1) | 0 (0–2) | 76 (11–119) | 4.853 (0.88–8.92) | 4 (80) |
Subgroup III | 16 | 1 (0–5) | 0 (0–1) | 0 (0–2) | 81.5 (4–474) | 6.065 (0.20–25.4) | 13 (81.2) |
Subgroup IV | 9 | 22 (12–29) | 1 (0–4) | 22 (0–63) | 246 (20–535) | 21.024 (1.37–37.1) | 2 (22.2) |
Mann-Whitney-U *exact Fisher test | Â | I vs. II: p < 0.001 I vs. III: p = 0.033 I vs. IV: p < 0.001 II vs. III: p = 0.003 II vs. IV: p = 0.001 III vs. IV: p < 0.001 | I vs. II: p = n. s. I vs. III: p = n. s. I vs. IV: p = 0.041 II vs. III: p = n. s. II vs. IV: p = n. s. III vs. IV: p = 0.037 | I vs. II: p = n. s. I vs. III: p = n. s. I vs. IV: p < 0.001 II vs. III: p = n. s. II vs. IV: p = 0.007 III vs. IV: p < 0.001 | I vs. II: p = 0.033 I vs. III: p < 0.001 I vs. IV: p < 0.001 II vs. III: p = n. s. II vs. IV: p = 0.042 III vs. IV: p = 0.023 | I vs. II: p = 0.015 I vs. III: p < 0.001 I vs. IV: p < 0.001 II vs. III: p = n. s. II vs. IV: p = 0.042 III vs. IV: p = 0.020 | I vs. II: p = n. s.* I vs. III: p = 0.019* I vs. IV: p = n. s.* II vs. III: p = n. s.* II vs. IV: p = n. s.* III vs. IV: p = 0.009* |