Table 1

 Characteristics of participating hospitals (n = 63)

n (%)
Teaching hospital
    Yes50 (79)
    No13 (21)
Hospital type
    Non-profit56 (89)
    For profit4 (6)
    Missing3 (5)
Multihospital system
    Yes48 (76)
    No15 (24)
No of staffed beds
    <20011 (17)
    200–59932 (51)
    >60020 (32)