See Tables 1 and 2. The average dose of intrathecal fentanyl was 19.2mcg SD=0.2, while the dose of peridural fentanyl was 85.1mcg SD=8.3 and that of intravenous fentanyl was 157.5 mcg SD=12.8.
La prevalencia de APGAR bajo al minuto 1 fue del 2,95% IC95%, 2,24-3,66; al minuto 5, del 0,6% IC95%, 0,27-0,92, y al minuto 10, del 0,303% IC95%, 0,06-0,54.