Table 3.

Probability of observing 0 events, 1 or more events and 2 or more events, for a range of hypothetical true event rates

True event rate (%)	Number of participants	0 events	1+ events	2+ events
1	6	0.94	0.06	<0.01
	12	0.89	0.11	<0.01
	24	0.79	0.21	0.02
	54	0.58	0.42	0.1
4.8	6	0.74	0.26	0.03
	12	0.55	0.45	0.11
	24	0.31	0.69	0.32
	54	0.07	0.93	0.74
6	6	0.69	0.31	0.05
	12	0.48	0.52	0.16
	24	0.23	0.77	0.43
	54	0.04	0.96	0.84
10	6	0.53	0.47	0.11
	12	0.28	0.72	0.34
	24	0.08	0.92	0.71
	54	<0.01	>0.99	0.98
30	6	0.12	0.88	0.58
	12	0.01	0.99	0.91
	24	<0.01	>0.99	>0.99
	54	<0.01	>0.99	>0.99