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Epidemiological data of pulmonary tissue of cattle submitted for histopathologic diagnosis.
| Variable | Pulmonary tissue without pneumonia (%) | Pulmonary tissue with pneumonia (%) | Chi-square test (p-value) |
|---|---|---|---|
| Sex (n) | |||
| Male (19) | 6 | 13 | 0.406 |
| Female (54) | 13 | 41 | |
| Not reported (72) | 13 | 59 | |
| Type of cattle (n) | |||
| Beef (49) | 10 | 39 | 0.366 |
| Dairy (34) | 5 | 29 | |
| Mixed (62) | 17 | 45 | |
| Age (n) | |||
| Calves (51) | 12 | 39 | 0.097 |
| Adult (94) | 20 | 74 | |
| Form of death (n) | |||
| Natural (108) | 27 | 81 | 0.146 |
| Slaughter (37) | 5 | 32 | |
