posted on 2014-02-18, 03:54authored byKuo-Hu Chen, Li-Ru Chen, Ying-Kuan Wang
*P<0.05;
**P<0.01;
***P<0.001: chi-square test for percentages of categorical factors of expected numbers >5, Fisher's exact test for percentages of categorical factors of expected numbers <5, student t test for average hospital stay.
1
Including medical, surgical, pediatric intensive care unit and obstetric special units (the tocolytic unit and delivery room).
2
Average hospital stay of the patients corresponding to the medical charts retrieved for sampling.