Table 4.
Final mode of delivery and number of cup detachments
| Number of cup detachments | Total | |||
|---|---|---|---|---|
| 1 | 2 | 3 | ||
| Cup detachment followed by caesarean section (CS) | ||||
| Disposable cup group | 3 | 1 | 0 | 4 |
| Metallic cup group | 0 | 0 | 1 | 1 |
| Cup detachment followed by forceps | ||||
| Disposable cup group | 10 | 14 | 2 | 26 |
| Metallic cup group | 4 | 4 | 4 | 12 |
| Cup detachment followed by another type of cup | ||||
| Disposable cup group | 30 | 25 | 8 | 63 |
| Metallic cup group | 1 | 1 | 1 | 3 |
| Cup detachment followed by other instrument and then CS | ||||
| Disposable cup group | 3 | 3 | 1 | 7 |
| Metallic cup group | 0 | 1 | 0 | 1 |
| Cup detachment followed by vaginal delivery without other instrumenta | ||||
| Disposable cup group | 51 | 29 | 9 | 89 |
| Metallic group | 38 | 7 | 1 | 46 |
| Total cup detachmentsb | ||||
| Disposable cup group (n = 295) | 97 | 72 | 20 | 189 |
| Metallic cup group (n = 283) | 43 | 13 | 7 | 63 |
aNot counted in the primary endpoint
bNine mothers had at least two modes of attempted delivery (2 F + CS, 1 F+ other cup and 6 CS+ other cup)