Introduction:

survival study is one of the most used statistical methods in the clinical field.

Objective:

to determine the influence of risk factors over neonates´ survival form complex conditions after Pediatric Surgery.

Method:

in this work we studied patients attended in the Regional Center of Neonatal Surgery of Holguín, from January 1st, 1994 to December 31st, 2015. Universe was 382 neonates and the sample was 295, monitored during 28 days. Analyzed variables were: birth weight, gestational age and associated anomalies; according to its risk factors like: low birth weight, preterm neonates and associated anomalies, as well as their influence on neonates ‘survival. By the use of statistical package SPSS version 15 on Windows XP, survival curves were analyzed by the Kaplan-Meier method and the risk factors by Log-Rank.

Results:

of the total sample (n=295) 66 neonates were preterm births (22.4%); 82 low birth weight (27.8%) and 154 showed associated anomalies (52.2%) as the main risk factor. Patients studied showed high numbers of events and their influence on survival during neonatal period. The final event occurred to 61 neonates (20.7%).

Conclusions:

risk factors studied were influenced by patients´ survival and the direct cause of death was severe sepsis.

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