Table 5. Cumulative duration of labour in Para 0, 1, and 2+ based on the cervical dilatation at admission by use of oxytocin augmentation (survival 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 | 2.76 (0.58, 13.10) | 2.54 (0.48, 13.54) | ||||||
| Adm. to 5 cm | 4.49 (1.17, 17.17) | 4.07 (0.90, 18.38) | 1.71 (0.37, 7.96) | 1.32 (0.25, 7.14) | ||||
| Adm. to 6 cm | 5.65 (1.65, 19.40) | 5.27 (1.36, 20.46) | 3.02 (0.86, 10.60) | 2.58 (0.66, 10.07) | 1.29 (0.28, 6.05) | 0.86 (0.15, 4.98) | ||
| Adm. to 7 cm | 6.50 (1.99, 21.26) | 6.09 (1.67, 22.22) | 4.15 (1.41, 12.19) | 3.65 (1.11, 11.97) | 2.10 (0.51, 8.66) | 1.74 (0.40, 7.56) | 0.78 (0.11, 5.46) | 0.51 (0.06, 4.42) |
| Adm. to 8 cm | 7.19 (2.34, 22.14) | 6.81 (2.03, 22.88) | 4.97 (1.87, 13.24) | 4.51 (1.55, 13.15) | 3.06 (0.93, 10.14) | 2.69 (0.76, 9.47) | 1.76 (0.42, 7.44) | 1.46 (0.31, 6.81) |
| Adm. to 10 cm | 8.37 (2.98, 23.51) | 7.98 (2.61, 24.42) | 5.92 (2.42, 14.48) | 5.42 (2.06, 14.25) | 4.30 (1.64, 11.30) | 4.00 (1.46, 10.97) | 2.86 (0.88, 9.30) | 2.56 (0.75, 8.75) |
| 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 | 2.05 (0.29, 14.50) | 1.98 (0.35, 11.15) | ||||||
| Adm. to 5 cm | 3.43 (0.63, 18.55) | 3.24 (0.79 13.34) | 1.34 (0.24, 7.51) | 0.82 (0.11, 6.25) | ||||
| Adm. to 6 cm | 4.77 (1.10, 20.63) | 4.50 (1.32, 15.35) | 2.31 (0.55, 9.66) | 1.79 (0.35, 9.19) | 0.80 (0.14, 4.72) | 0.66 (0.11, 4.03) | ||
| Adm. to 7 cm | 5.91 (1.65, 21.17) | 5.41 (1.78, 16.46) | 2.99 (0.80, 11.18) | 2.54 (0.60, 10.84) | 1.47 (0.33, 6.54) | 1.15 (0.23, 5.73) | 0.43 (0.05, 3.50) | 0.36 (0.05, 2.68) |
| Adm. to 8 cm | 6.61 (1.97, 22.20) | 6.05 (2.08, 17.61) | 3.78 (1.19, 11.97) | 3.3 (0.95, 11.51) | 2.31 (0.61, 8.69) | 1.98 (0.49, 8.04) | 1.13 (0.22, 5.81) | 0.96 (0.19, 4.93) |
| Adm. to 10 cm | 7.55 (2.48, 23.05) | 6.92 (2.53, 18.91) | 4.63 (1.66, 12.96) | 4.08 (1.36, 12.28) | 3.43 (1.17, 10.06) | 3.17 (1.04, 9.70) | 2.19 (0.64, 7.53) | 2.03 (0.60, 6.84) |
| 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 | 2.19 (0.29, 16.32) | 1.84 (0.27, 12.76) | ||||||
| Adm. to 5 cm | 3.54 (0.61, 20.75) | 2.97 (0.52, 16.87) | 1.25 (0.19, 8.14) | 0.91 (0.12, 6.84) | ||||
| Adm. to 6 cm | 4.82 (1.04, 22.38) | 4.09 (0.89, 18.89) | 2.24 (0.48, 10.48) | 1.85 (0.37, 9.33) | 0.76 (0.10, 5.80) | 0.54 (0.06, 5.28) | ||
| Adm. to 7 cm | 5.55 (1.34, 22.96) | 4.82 (1.18, 19.74) | 3.08 (0.82, 11.52) | 2.66 (0.66, 10.64) | 1.34 (0.24, 7.46) | 1.10 (0.17, 7.17) | 0.52 (0.07, 3.65) | 0.44 (0.06, 3.06) |
| Adm. to 8 cm | 6.17 (1.63, 23.31) | 5.46 (1.51, 19.82) | 3.83 (1.18, 12.41) | 3.46 (1.01, 11.82) | 1.94 (0.40, 9.35) | 1.67 (0.30, 9.18) | 1.20 (0.26, 5.52) | 1.06 (0.23, 4.87) |
| Adm. to 10 cm | 7.24 (2.17, 24.18) | 6.53 (2.03, 21.01) | 4.71 (1.71, 13.02) | 4.38 (1.54, 12.41) | 3.07 (0.87, 10.83) | 2.83 (0.73,10.93) | 2.39 (0.77, 7.42) | 2.24 (0.71, 7.11) |
Data presented as median hours (5th, 95th percentiles).
Abbreviation: Adm., Admission