Table 5. The Percentage of Hospital Sample Index Estimates Within “X” Percent of Their True Values at Various Sample Sizes and UCV Estimates.

	@ UCV = .384, “X” =				@ UCV = .449, “X” =
Number of Sample Cases	1%	2.5%	5%	10%	1%	2.5%	5%	10%
30	13%	31%	57%	89%	11%	27%	50%	83%
40	15	35	64	93	13	31	57	88
50	16	39	70	96	14	34	62	92
60	18	43	74	98	15	37	66	95
70	19	46	78	99	16	40	70	96
100	23	53	85	99 +	20	47	79	99
200	32	70	96	99 +	28	62	92	99 +
500	48	90	99 +	99 +	42	84	99 +	99 +