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Table 1 COPRA characteristics (n = 48)

From: A comparison of inpatient with outpatient balloon catheter cervical ripening: a pilot randomized controlled trial

Characteristica

Inpatient N = 15 (%)

Outpatient N = 33 (%)

Parity

Nulliparous

11 (73.3)

25 (75.7)

Parous

4 (26.6)

8 (24.2)

Mean (SD) age

29.1 (6.8)

28.9 (4.2)

Marital status

Married/Defacto

12 (80.0)

32 (96.8)

Single

3 (20.0)

1 (3.1)

Language spoken at home

English only

13 (86.7)

24 (75.0)

Other language

2 (13.3)

8 (25.0)

Education

University degree

5 (35.7)

17 (53.1)

Post-high school training

6 (42.9)

11 (34.4)

High school only

3 (21.4)

4 (12.5)

Reason for induction

Prolonged pregnancy

13 (86.7)

26 (78.8)

To avoid prolonged pregnancy

-

4 (12.1)

Social

-

1 (3.0)

Otherb

2 (13.3)

2 (6.1)

Gestation at priming Median weeks+ days (IQR)

40+8 (40+5- 40+10)

40+7 (40+6- 40+10)

Modified Bishop’sscore

0–2

5 (33.3)

8 (25.8)

3–4

9 (60.0)

16 (51.6)

≥5

1 (6.6)

7 (22.6)

Mean (SD) time waiting for catheter insertion (range 15 mins to 5 h)

1 h 36 mins (1 h 09 mins)

2 h 02 mins (1 h 21 mins)

Mean (SD) time waiting for catheter to discharge from Women’s Assessment service

2 h 55 mins (1 h 02 mins)

3 h 02 mins (1 h 26 mins)

Catheter insertion technique

Speculum

13 (92.9)

25 (78.1)

Digital

1 (7.1)

7 (21.9)

Mean (SD) pain score insertion (scale 0–100 visual analogue scale)

25.1 (20.3)

31.1 (24.8)

Catheter removal

Spontaneously fell out in hospital

2c (13.3)

1d (3.0)

Spontaneously fell out at home

n/a

11e (33.3)

Clinician removed

13 (86.7)

21 (63.6)

Mean (SD) time catheter in situ (removed by clinician)

14 h 48 min (4 h 5 min)

14 h 32 min (2 h 22 min)

Mean (SD) time catheter spontaneous fell out

6 h 35 mins (5 h 18 mins)

10 h 50 min (4 h 13 mins)

Mean (SD) length of time at home with catheter

n/a

12 h 27 mins (2 h 50 mins)

Outpatient women return to hospital before scheduled

n/a

2 (6.7 %)f

  1. Catheters spontaneously fell out in 29.2 % of all women (14/48), in 66.7 % of all parous women (8/12), and in 16.7 % of all nulliparous women (6/36)
  2. n = 1 contraction onset, returned 3:45 am
  3. aMaximum amount of not stated for any variable n=2 (Bishop score, VAS pain score, insertion technique)
  4. bOther reasons= back pain, previous term stillbirth, previous large baby
  5. cBoth women were multiparous
  6. dWoman was primiparous
  7. en=6 women were multiparous
  8. fBased on n=30 discharged home. Reason for return; n=1 anxious, returned 10 pm