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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