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Table 5 Overview of hospital potential revenue before and after the re-coding process

From: Potential loss of revenue due to errors in clinical coding during the implementation of the Malaysia diagnosis related group (MY-DRG®) Casemix system in a teaching hospital in Malaysia

   Total revenue** Mean** Minimum** Maximum** t value p value
All Cases Before 1,672,922.13 3508.45 1020.24 39,993.00 −2.648 0.008
After 2,327,226.07 5015.57 0.00 233,318.94
Medical Before 351,450.99 3003.85 1020.24 15,836.25 −3.044 0.003
After 437,255.91 3363.51 1160.19 24,547.17
Surgical Before 619,472.01 5340.27 1530.00 39,993.00 0.753 0.453
After 625,701.30 6257.01 1524.42 30,273.31
O&G Before 395,988.45 3413.69 2614.74 14,767.00 −0.768 0.444
After 414,226.06 3480.89 2614.74 14,767.00
Paediatric Before 261,010.68 2269.66 1412.00 6098.51 −2.398 0.018
After 850,042.00 7798.56 1343.00 233,318.97
Ungroupable Cases* Before 20,773.00 3462.17 1412.00 5518.00 5.945 0.002
After 0.00 0.00 0.00 0.00
  1. *All ungroupable cases were originally grouped under Paediatric Discipline
  2. **All amount are shown in Malaysian Ringgit (MYR)