| Parameters | Group A | Group B | p-value (2-sided) |
| Calving aid |
|
| 0.69 |
| unassisted | 28 | 31 |
|
| light | 11 | 12 |
|
| 1 man | 8 | 5 |
|
| 2 men | 1 | 2 |
|
| veterinarian | 2 | 5 |
|
| Placenta |
|
| 0.60 |
| fully retained | 24 | 32 |
|
| partially retained | 26 | 23 |
|
| easily removable | 22 | 26 |
|
| not removable | 28 | 29 |
|
| Additional 1st therapy |
|
| 0.60 |
| steroids | 7 | 5 |
|
| NSAIDS | 8 | 11 |
|
| oxytocin | 3 | 7 |
|