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Table 1 Patient demographics and clinical characteristics before and after ultrasound intervention

From: The implementation of routine procedural transvaginal sonography to decrease retained products of conception: a quality improvement initiative

 

Pre intervention

N = 130

Post intervention

N = 95

p value

Age at time of procedure (median, range)

32 (18–43)

33 (19–48)

0.64

Gravidity (median, range)

2 (1–8)

3 (1–10)

0.10

Parity (median, range)

1 (0–6)

1 (0–6)

0.19

Previous cesarean (N, %)

17, 13.1

13, 14.0

0.80

Previous Dilation and Curettage procedures (N, %)

29, 22.3

15, 16.1

0.30

Previous medical abortion or medical management of missed abortion (N, %)

23, 17.7

21, 22.3

0.40

Gestational Age in weeks at time of procedure by US (median, range)

7 (4–12)

7 (4–14)

0.67

Uterine Infection at presentation (N, %)

1, 0.8

2, 2.1

0.39

Missed Abortiona (N, %)

110, 84.6

68, 71.6

0.018

Incomplete Abortiona (N, %)

13, 10

26, 27.4

 < 0.001

Molar Pregnancya (N)

2

3

0.70

  1. aCharacterizations of type of abortion or type of pregnancy are not mutually exclusive, and patients may be classified into more than one group