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Relationship between infectious bronchitis virus (IBV) positivity by reverse-transcription PCR and sample type1
| IBV |
|||
|---|---|---|---|
| Material | Positive (%) | Negative (%) | Total (%) |
| Tracheal swab | 32.5 (13/40) | 67.5 (27/40) | 25 (40) |
| Tracheal scrape | 42.5 (17/40) | 57.5 (23/40) | 25 (40) |
| Cecal tonsil | 50 (20/40) | 50 (20/40) | 25 (40) |
| Muscle | 45 (18/40) | 55 (22/40) | 25 (40) |
| Total | 42.5 (68/160) | 57.5 (92/160) | 100 (160/160) |
χ2, CI = 95% (P > 0.05).
