Table 1

 Automated external defibrillator prevalence at Washington State high schools

No AEDHas AEDPercentage with AED
AED, automated external defibrillator.
*AED prevalence increases with larger school size, χ2 test for trend  = 4.07 (1 df), p = 0.044.
Size classification*
    4A141958
    3A81970
    2A71059
    1A7436
    B181240
    Total546454
Location
    Urban/inner city12840
    Suburban172963
    Rural252651
    Total546354
Public465655
Private8747
Total546354