Document Classification

Section Type: RESULTS

Text: In patients who had received mechanical ventilation for > 48 h, the comparisons of CASS patients and control subjects were as follows : VAP incidence, 26. 7 % vs 47. 5 % (p = 0. 04), respectively ; incidence density, 31. 5 vs 51. 6 episodes per 1, 000 days of MV, respectively (p = 0. 03) ; median length of ICU stay, 7 vs 16. 5 days (p = 0. 01), respectively ; hospital antibiotic use, 1, 206 vs 1, 877 DDD (p < 0. 001), respectively ; Clostridium difficile-associated diarrhea, 6. 7 % vs 12. 5 % (p = 0. 3), respectively ; and overall mortality rate, 44. 4 % vs 52. 5 % (p = 0. 3), respectively.