Logtenberg 2016.

Methods	Randomised, controlled equivalence trial. Not blinded. The purpose of this study is to compare pain appreciation during labour between RPCA and EA. The study was conducted in the Academic Medical Center, Amsterdam, NL from September 2012 to May 2013. Trial identifier: NTR3687
Participants	Inclusion criteria: age > 18 years, ASA I or II, low‐risk pregnant women Exclusion criteria: drug allergy: history of hypersensitivity to opioid or local anaesthetic, substances, labour before 32 weeks or after 42 weeks of gestation, initial maternal SpO2 of less than 95%, initial maternal temperature of 38°C or higher, prior administration of regional of opioid analgesia (during this delivery)
Interventions	Epidural anaesthesia versus remifentanil PCA
Outcomes	The primary endpoint of this study is pain appreciation, expressed by women's satisfaction with pain on a VAS scale, measured hourly from the onset of active labour. Secondary outcomes are overall satisfaction with pain during delivery judged 2 h and 6 weeks after delivery, pain scores during labour and maternal and neonatal side effects.
Notes	This publication belongs to the ongoing study abstract Logtenberg 2014.