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Table 1 Primary outcome measure ascertainment

From: Prophylactic antibiotics to reduce pelvic infection in women having miscarriage surgery – The AIMS (Antibiotics in Miscarriage Surgery) trial: study protocol for a randomized controlled trial

  Purulent vaginal discharge Pyrexia Tenderness White cell count
Definition Yellow, green, or offensive discharge > 38.0 °C measured by infrared ear thermometry Defined as a finding on examination of either (1) direct tenderness of the uterus, or (2) tenderness on displacement of the uterus, or (3) tenderness of the parametrium or (4) tender adnexal mass White cell count greater than 12 × 109/L
Excluded from the definition Clear vaginal discharge   Upper abdominal pain