Table V.

Comparison of power for models with three follow-up visits.

				Multistate Markov models
Scenario	N per group	Repeated logistic	7-state	6-state	5-state*	5-state	4-state
3 to 2 only	200	14.0	38.3	44.1	45.2	5.9	6.7
	300	16.4	51.2	61.0	62.6	8.1	8.1
	400	23.2	68.3	73.8	75.5	8.8	10.5
	500	28.3	80.7	83.9	87.6	10.0	11.3
	600	30.3	86.1	89.7	93.1	10.9	12.2
	800	41.7	96.5	97.3	99.0	11.6	14.7
	1000	46.8	98.7	99.7	99.7	15.8	16.6
All shifts	200	61.5	–	–	–	33.3	31.7
	300	79.3	48.0	42.8	–	50.5	47.4
	400	89.9	62.1	56.5	–	61.1	59.0
	500	95.3	72.9	69.6	–	75.0	71.3
	600	96.9	81.8	78.9	–	83.9	79.7
	800	99.6	93.1	93.0	–	94.9	91.5
	1000	99.8	97.8	96.3	–	97.9	97.9