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Table 2 The pre-injury service items that are statistically associated with the post-injury hospital cost (in Australian Dollars)

From: The effect of pre-existing health conditions on the cost of recovery from road traffic injury: insights from data linkage of medicare and compensable injury claims in Victoria, Australia

Variable Coefficientc
Outcome Variable: Post-injury Hospital Costa
 Five or more tests from Quantitation in serum, plasma, urine or other body fluid (MBS Item 66500) $3799 [$2337, $5261]
 Quantitation of glycosylated haemoglobin performed in the management of established diabetes (MBS Item 66551) $10,406.52 [$5467, $15,346]
Outcome Variable: Post-injury Hospital Cost, Loggedb
 Anaesthetist, pre-anaesthesia consultation (MBS Sub Group T6-1) 0.24 [0.13, 0.36]
 Two tests from tests for hepatitis antigen or antibodies to determine immune status or viral carriage following exposure or vaccination to Hepatitis A, Hepatitis B, Hepatitis C or Hepatitis D (MBS Item 69475) 0.65 [0.37, 0.92]
 Thyroid function tests (MBS Item 66719) 0.37 [0.06, 0.69]
  1. aThe coefficient indicates the average change in the category cost for every extra item used from the services listed based on a linear model. bThe coefficient indicates the average percentage change in the category cost for every extra item used from the services listed based on a nonlinear model. c[95 % confidence interval]