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Table 4 Concurrent and prospective adjusted R-Squared of raw expenditures by two age groups.

From: An in-depth assessment of a diagnosis-based risk adjustment model based on national health insurance claims: the application of the Johns Hopkins Adjusted Clinical Group case-mix system in Taiwan

 

Total expenditure

Type of expenditure

Source of expenditure

  

Medical

Pharmacy

Inpatient

Outpatient

Concurrent analyses

     

The non-elderly population ( N = 46,895)

     

Demographics-only

0.014

0.012

0.006

0.004

0.018

ACGs

0.105

0.1

0.032

0.06

0.076

ADGs and demographics

0.133

0.12

0.05

0.079

0.094

ADGs, 33 EDCs and demographics

0.325

0.348

0.105

0.211

0.316

264 EDCs and demographics

0.329

0.355

0.105

0.219

0.324

The elderly population ( N = 5,075)

     

Demographics-only

0.004

0.001

0.013

0.002

0.005

ACGs

0.158

0.133

0.114

0.113

0.105

ADGs and demographics

0.197

0.164

0.165

0.149

0.137

ADGs, 33 EDCs and demographics

0.452

0.433

0.233

0.418

0.279

264 EDCs and demographics

0.445

0.425

0.229

0.421

0.273

Prospective analyses

     

The non-elderly population ( N = 44,628)

     

Demographics-only

0.017

0.014

0.008

0.005

0.018

ACGs

0.059

0.049

0.025

0.023

0.055

ADGs and demographics

0.072

0.056

0.038

0.026

0.068

ADGs, 19 EDCs and demographics

0.215

0.237

0.112

0.04

0.351

264 EDCs and demographics

0.218

0.242

0.124

0.045

0.35

The elderly population ( N = 4,741)

     

Demographics-only

0.003

0.002

0.009

0.002

0.003

ACGs

0.063

0.042

0.115

0.023

0.074

ADGs and demographics

0.075

0.047

0.164

0.03

0.096

ADGs, 19 EDCs and demographics

0.166

0.155

0.178

0.097

0.263

264 EDCs and demographics

0.155

0.14

0.196

0.094

0.248