No significant changes were found in the preoperative phase RR = 1.14, CI 95%, 0.99 to 1.30 and monitoring phase RR = 1.35, CI 95%, 1.00 to 1.68 for DD values.
No se hallaron cambio significativos en el DD preoperatorio RR = 1,14; IC 95%: 0,99 a 1,30 y el DD seguimiento RR = 1,35; IC 95%: 1,00 a 1,68.