Table 2

 Characteristics according to number of chronic conditions

CharacteristicNumber of chronic conditions
None (n = 286)1 (n = 323)2 (n = 211)3 (n = 125)4–8 (n = 98)
ALS, advanced life support; BLS, basic life support; CPR, cardiopulmonary resuscitation.
*p Value <0.05 for test of trend between specific characteristic and number of chronic conditions.
Mean (SD) age (years)*58.4 (15.2)64.5 (13.6)66.6 (14.3)68.9 (14.0)72.8 (12.2)
Men, % (n)*79.0 (226)80.8 (261)73.0 (154)68.0 (85)62.2 (61)
Arrest before arrival, % (n)88.5 (253)87.9 (284)89.6 (189)92.8 (116)87.8 (86)
Witnessed, % (n)*82.5 (236)78.3 (253)78.2 (165)77.6 (97)70.4 (69)
Location, % (n)*
    Residential45.1 (129)64.1 (207)72.5 (153)72.0 (90)53.1 (52)
    Public54.9 (157)34.1 (110)19.4 (41)20.0 (25)9.2 (9)
    Nursing home0 (0)1.8 (6)8.1 (17)8.0 (10)37.7 (37)
Citizen CPR, % (n)60.8 (174)56.4 (182)47.9 (101)48.0 (60)64.3 (63)
Mean (SD) BLS interval (min)5.8 (3.4)5.6 (2.0)5.6 (2.6)5.4 (2.2)5.4 (1.6)
Mean (SD) ALS interval (min)10.2 (5.6)9.9 (5.4)9.5 (4.8)10.0 (4.9)9.9 (4.7)