13. The analysis of the incidence of instrumented delivery, taking into consideration a borderline heterogeneity Q − p = 0.08 and I2 = 61%, found a similar trend 8 vs. 5, p = 0.46.
13. Al analizar la incidencia de parto instrumentado teniendo en cuenta una heterogeneidad limítrofe Qp=0,08 y I2 = 61% se halló una tendencia similar 8 vs. 5, p = 0,46.