TABLE 5.

Predicted power (%) of the SEE analyses with the arm-specific exchangeable working correlation when the CV of cluster sizes is η = 0.6

(exp(β0), exp(β1))	$\left({\sigma }_0^2,{\sigma }_1^2\right)$	N	$\overline{m}$	T = ∞	T = 6	T = 5	T = 4	T = 3	T = 2	T = 1
(1.25, 0.70)	(0.05, 0.05)	30	15	75.9	75.8	75.3	73.8	69.4	58.5	35.6
	(0.10, 0.10)	30	45	73.7	73.9	74.0	73.6	72.0	67.1	52.9
	(0.20, 0.20)	60	35	76.9	77.7	78.1	78.1	77.2	73.9	62.7
	(0.30, 0.30)	90	40	77.9	79.8	80.4	80.8	80.6	78.8	71.2
	(0.40, 0.40)	110	40	73.3	76.8	77.5	78.2	78.3	77.0	70.8
(2.70, 0.70)	(0.05, 0.05)	25	10	75.3	72.8	69.5	63.3	53.1	37.9	19.9
	(0.10, 0.10)	30	30	76.4	76.5	75.4	73.0	68.4	59.4	41.1
	(0.20, 0.20)	55	20	74.2	75.6	74.8	72.9	69.1	61.6	45.2
	(0.30, 0.30)	80	30	74.1	77.9	77.7	76.8	74.9	70.5	59.1
	(0.40, 0.40)	110	25	73.8	79.4	79.2	78.5	76.8	72.9	62.2