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. 2023 Dec 1;23:1334. doi: 10.1186/s12913-023-10282-4

Table 3.

R2 (%) and adjusted R2 (%) of models

Model R2 Adjusted R2
Mean
(SD)
Min Q1 Median Q3 Max Wt mean(SD) Mean
(SD)
Min Q1 Median Q3 Max Wt mean
(SD)

Mode 0

(ADRG)

41.6

(14.6)

9.1 34.0 41.6 49.2 77.5

46.2

(10.8)

40.8

(14.9)

7.7 32.9 41.2 48.0 77.1

45.7

(11.1)

Model 1

(RDRG)

47.3

(13.4)

13.7 40.8 46.8 53.6 77.5

52.0

(10.3)

45.8

(14.0)

10.7 39.0 46.1 51.8 77.1

50.9

(10.8)

Model 2

(ADRG + CCI)

43.7

(14.1)

10.5 36.6 44.5 50.3 77.5

47.9

(10.3)

42.7

(14.5)

8.5 35.6 43.5 49.1 77.1

47.3

(10.6)

Model 3

(ADRG

 + NHIS-HCC)

47.9

(13.3)

14.6 41.8 47.8 54.2 78.8

51.9

(9.9)

46.3

(14.1)

10.1 40.4 46.2 52.8 78.4

51.0

(10.5)

Model 4

(ADRG

 + HHS-HCC)

47.7

(13.4)

16.8 41.3 46.9 53.4 81.3

51.7

(10.2)

45.9

(14.2)

12.1 39.2 45.3 52.0 80.8

50.7

(10.8)

ADRG Adjacent Diagnosis Related Group, HHS-HCC Department of Health and Human Service Hierarchical Condition Category, NHIS-HCC National Health Insurance Service Hierarchical Condition Category, RDRG Refined Diagnosis Related Group, R2 R-squared, SD Standard Deviation, Q1 Quartile 1, Q3 Quartile 3, Wt Weighted