Skip to main content
. 2017 Jan 26;356:i6773. doi: 10.1136/bmj.i6773

Table 4.

Complications of external cephalic version (ECV) and drug related adverse events in complete case analysis. Values are numbers (percentages) unless stated otherwise

Complications Atosiban (n=410) Fenoterol (n=408) Relative risk (95% CI)
Non-reassuring fetal heart rate after ECV attempt resulting in emergency delivery* 0 (0.0) 1 (0.2) -
Placental abruption† 1 (0.2) 0 (0.0) -
Emergency delivery‡ 0 (0.0) 2 (0.4) -
Adverse events due to medication§ 0 (0.0) 1 (0.2) -
Cessation of treatment due to side effects¶ 0 (0.0) 1 (0.2) -
Minor side effects** 86 (30.0) 224 (75.7) 0.40 (0.33 to 0.48)
Palpitations†† 15 (5) 209 (71) 0.07 (0.04 to 0.12)
Dizziness‡‡ 25 (9) 55 (19) 0.47 (0.30 to 0.73)
Flushes§§ 17 (6) 99 (34) 0.18 (0.11 to 0.29)

Minor side effects were defined as one or a combination of: palpitations, nausea, vomiting, headaches, flushing, and dizziness.

*Missing data: n=402 for atosiban and n=399 for fenoterol owing to missing data.

†Missing data: n=392 for atosiban, n=390 for fenoterol.

‡Missing data: n=391 for atosiban, n=391 for fenoterol.

§Missing data: n=399 for atosiban, n=396 for fenoterol.

¶Missing data: n=399 for atosiban, n=396 for fenoterol.

**Missing data: n=287 for atosiban, n=296 for fenoterol.

††Missing data: n=287 for atosiban, n=296 for fenoterol.

‡‡Missing data: n=285 for atosiban, n=292 for fenoterol.

§§Missing data: n=287 for atosiban, n=295 for fenoterol.