Document Classification

Section Type: RESULTS

Text: A total of 1771 patients (881 HSS group and 890 without HSS group) met inclusion criteria : the first group (881 patients), compared with the second (890 patients), showed an increase in diuresis and serum Na levels, a reduction in hospitalization time (3. 5 + 1 versus 5. 5 + 1 days, P < 0. 0001) and, during follow-up (57 + 15 months), a lower rate in readmissions (18. 5 % versus 34. 2 %, P < 0. 0001) and mortality (12. 9 % versus 23. 8 %, P < 0. 0001) ; the second group also showed a significant increase in blood urea nitrogen and serum creatinine.