Table 1.
Variable | Phase 1 | Phase 2 | Phase 3 | Phase 4 | Phase 5 |
Dates of collection | 9 September– 11 November 2012 |
15 December– 31 December 2014 |
15 September– 19 November 2015 |
1 December 2016– 28 February 2017 |
1 September– 31 October 2017 |
Number of complete time interval observations | 926 | 162 | 770 | 869 | 542 |
Number of hospital deliveries | 1351 | 405 | 1465 | 1589 | 1008 |
Age (years) | 28.1 (5.7) | 30.0 (5.8) | 28.2 (5.8) | 28.8 (7.4) | 30.0 (5.4) |
Estimated GA (weeks) | 39+1 (3.5) | 39+5 (2.4) | 39+2 (2.4) | 37+5 (4.3) | 37.2 (4.9) |
Gravida | 2.6 (1.6) | 3.1 (1.7) | 2.9 (1.8) | 2.9 (1.9) | 3.0 (1.9) |
Para | 1.4 (1.5) | 1.2 (1.6) | 1.3 (1.4) | 1.3 (1.5) | 1.6 (2.3) |
Median (IQR) waiting time (min)* | 40 (15,100) | 29 (11,60) | 7 (2,19) | 5 (2,8) | 5 (2,6) |
Minimum (min) | 0 | 0 | 0 | 0 | 0 |
Maximum (min) | 1545 | 530 | 790 | 1107 | 236 |
Data for age, gestational age, gravida and parity are presented as mean (SD).
Phase 1 included 1082 patients evaluated from 9 September to 11 November 2012.8
Phase 2 included 162 patients evaluated from 15 December to 31 December 2014.
Phase 3 included 784 patients evaluated from 15 September to 19 November 2015.
Phase 4 included 901 patients evaluated from 1 December 2016 to 28 February 2017.
Phase 5 included 552 patients evaluated from 1 September to 31 October 2017.
GA, gestational age.