Table 6. Cumulative duration of labour in Para 0, 1, and 2+ based on the cervical dilatation at admission by use of oxytocin augmentation (Markov analysis).
| Parity = 0 | ||||||||
| All women | w/o oxytocin | All women | w/o oxytocin | All women | w/o oxytocin | All women | w/o oxytocin | |
| Cervical dilatation at: | Adm. at 3 cm (N = 249) | Adm. at 3 cm (N = 158) | Adm. at 4 cm (N = 715) | Adm. at 4 cm (N = 384) | Adm. at 5 cm (N = 316) | Adm. at 5 cm (N = 191) | Adm. at 6 cm (N = 322) | Adm. at 6 cm (N = 201) |
| Adm. to 3 cm | ||||||||
| Adm. to 4 cm | 1.83 (0.08, 8.17) | 1.75 (0.08, 7.67) | ||||||
| Adm. to 5 cm | 4.25 (0.83, 12.08) | 4.17 (0.83, 11.75) | 1.58 (0.08, 7.08) | 1.67 (0.08, 7.25) | ||||
| Adm. to 6 cm | 5.58 (1.67, 13.67) | 5.33 (1.58, 13.17) | 2.92 (0.58, 8.92) | 2.83 (0.58, 8.83) | 0.83 (0.00, 3.83) | 0.75 (0.00, 3.42) | ||
| Adm. to 7 cm | 7.08 (2.50, 15.50) | 6.75 (2.42, 15.00) | 4.42 (1.33, 10.83) | 4.25 (1.25, 10.67) | 2.25(0.42, 6.42) | 2.08 (0.42, 5.92) | 0.92 (0.00, 4.25) | 0.92 (0.00, 4.00) |
| Adm. to 8 cm | 7.92 (3.17, 16.58) | 7.58 (3.08, 15.83) | 5.33 (1.92, 12.00) | 5.17 (1.83, 11.67) | 3.08 (0.92, 7.50) | 2.92 (0.83, 7.08) | 1.83 (0.33, 5.5) | 1.75 (0.33, 5.25) |
| Adm. to 10 cm | 9.08 (4.00, 17.83) | 8.93 (3.92, 17.33) | 6.50 (2.67, 13.25) | 6.33 (2.58, 13.17) | 4.25 (1.58, 9.17) | 4.08 (1.50, 8.75) | 3.00 (0.92, 7.25) | 2.92 (0.83, 7.08) |
| Parity = 1 | ||||||||
| Cervical dilatation at: | Adm. at 3 cm (N = 164) | Adm. at 3 cm (N = 123) | Adm. at 4 cm (N = 491) | Adm. at 4 cm (N = 304) | Adm. at 5 cm (N = 292) | Adm. at 5 cm (N = 211) | Adm. at 6 cm (N = 320) | Adm. at 6 cm (N = 256) |
| Adm. to 3 cm | ||||||||
| Adm. to 4 cm | 1.92 (0.08, 8.33) | 1.83 (0.08, 7.92) | ||||||
| Adm. to 5 cm | 4.08 (0.83, 11.75) | 3.67 (0.75, 10.58) | 1.42 (0.08, 6.42) | 1.17 (0.08, 5.33) | ||||
| Adm. to 6 cm | 5.42 (1.58, 13.33) | 4.75 (1.42, 11.92) | 2.75 (0.5, 8.08) | 2.33 (0.42, 6.92) | 0.83 (0.00, 3.58) | 0.75 (0.00, 3.17) | ||
| Adm. to 7 cm | 6.58 (2.33, 14.75) | 6.00 (2.17, 13.33) | 3.92 (1.17, 9.67) | 3.50 (1.00, 8.50) | 1.92 (0.42, 5.58) | 1.83 (0.33, 5.33) | 0.75 (0.00, 3.50) | 0.75 (0.00, 3.42) |
| Adm. to 8 cm | 7.25 (2.83, 15.42) | 6.58 (2.58, 14.08) | 4.58 (1.58, 10.42) | 4.08 (1.42, 9.25) | 2.58 (0.75, 6.42) | 2.42 (0.67, 6.00) | 1.42(0.25, 4.33) | 1.42 (0.25, 4.25) |
| Adm. to 10 cm | 8.25 (3.58, 16.58) | 7.50 (3.25, 15.17) | 5.58 (2.25, 11.67) | 5.00 (2.00, 10.33) | 3.58 (1.25, 7.83) | 3.33 (1.17, 7.33) | 2.42 (0.67, 5.92) | 2.25 (0.67, 5.67) |
| Parity = 2+ | ||||||||
| Cervical dilatation at: | Adm. at 3 cm | Adm. at 3 cm | Adm. at 4 cm | Adm. at 4 cm | Adm. at 5 cm | Adm. at 5 cm | Adm. at 6 cm | Adm. at 6 cm |
| (N = 231) | (N = 163) | (N = 626) | (N = 446) | (N = 385) | (N = 283) | (N = 414) | (N = 333) | |
| Adm. to 3 cm | ||||||||
| Adm. to 4 cm | 2.17 (0.08, 9.75) | 1.75 (0.08, 7.58) | ||||||
| Adm. to 5 cm | 4.42 (0.92, 12.92) | 3.75 (0.75, 10.67) | 1.50 (0.08, 6.50) | 1.33 (0.08, 5.83) | ||||
| Adm. to 6 cm | 5.58 (1.67, 14.25) | 4.75 (1.33, 11.92) | 2.67 (0.50, 8.00) | 2.33 (0.42, 7.17) | 0.75 (0.00, 3.33) | 0.67 (0.00, 2.92) | ||
| Adm. to 7 cm | 6.92 (2.42, 15.75) | 5.92 (2.08, 13.42) | 3.92 (1.17, 9.75) | 3.58 (1.08, 8.92) | 1.92 (0.33, 5.50) | 1.75 (0.33, 5.17) | 0.83 (0.00, 3.58) | 0.75 (0.00, 3.50) |
| Adm. to 8 cm | 7.42 (2.92, 16.33) | 6.50 (2.58, 14.00) | 4.42 (1.50, 10.25) | 4.08 (1.42, 9.50) | 2.50 (0.67, 6.08) | 2.33 (0.67, 5.83) | 1.33 (0.25, 4.25) | 1.33 (0.25, 4.25) |
| Adm. to 10 cm | 8.25 (3.50, 17.25) | 7.33 (3.17, 14.92) | 5.33 (2.08, 11.33) | 4.92 (2.00, 10.50) | 3.33 (1.17, 7.25) | 3.17 (1.17, 6.92) | 2.25 (0.67, 5.50) | 2.17 (0.67, 5.42) |
Data presented as median hours (5th, 95th percentiles).
Abbreviation: Adm., Admission