Table 3

Admission rates in top seven categories contributing to expenditures

CategoryNon-HCUHCURR (95% CI)
Any admission44792836
MDC (% of sample expenditure)
 Circulatory system (20.2%)6815341.24 (1.14 to 1.34)
 Kidney and urinary tract (15.3%)8264890.93 (0.83 to 1.04)
 Musculoskeletal system and connective tissue (12.6%)3152251.13 (0.96 to 1.29)
 Digestive system (8.3%)4702120.71 (0.56 to 0.87)
 Factors influencing health status (8%)2072511.92 (1.74 to 2.09)
 Respiratory system (7.9%)2902201.2 (1.03 to 1.37)
 Nervous system (4.8%)1601971.94 (1.74 to 2.15)
 Other (22.9%)15307080.73 (0.66 to 0.81)
  • Test statistic for equal distribution between groups: χ2(21)=336.6996, p=0.000.

  • Statistical significance denoted in bold for p-values < 0.05.

  • HCU, high-cost user; MDC, major diagnostic category; RR, relative risk.