Skip to main content
. 1982 Dec;4(2):101–128.

Table 6. Correlation Results: Group Versus National Weights and Group Versus National Case-Mix Measures.

Pearson Correlation Values
National Weights National Case-Mix (N)



Urban Hospitals (SMSA)
 Group 1
(0.99)
.87 .98 (608)
 Group 2
(100-404)
.99 .99 (1649)
 Group 3
(405-684)
.98 .99 (398)
 Group 4
(684)
.97 .98 (105)
Rural Hospitals
(Non SMSA)
 Group 5
(0-99)
.91 .98 (1683)
 Group 6
(100-169)
.95 .98 (402)
 Group 7
(169)
.97 .99 (226)
 (N) (351) (5071)

Note: The correlation values for 1979 weights between groups ranged from .81 (Groups 1 and 6) to .96 (Groups 3 and 4).