TableĀ 1

CIs (95%) for death rates of 20% and 30% by sample size (n)

Death rate
n20%30%
100(12.9 to 29.4)(21.5 to 40.1)
300(15.7 to 25.1)(24.9 to 35.6)
1000(17.6 to 22.6)(27.2 to 33.0)
3000(18.6 to 21.5)(28.4 to 31.7)
6000(19.0 to 21.0)(28.8 to 31.2)