Table 1.

The notation needed to set up the statistical model. The same notation holds for lost patients with an “ ℓ” replacing the “o” in the subscript

	Observed	Observed	Observed
	patient cnt	event cnt	incidence
Control	$n_o^C$	$X_o^C$	$p_o^C$
Treatment	$n_o^T$	$X_o^T$	$p_o^T$
Either	no	Xo	po