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Append ix H NET AND GROSS DIFFERENCE RATES IN DESIGNATION OF PRINCIPAL DLAGNOS IS ( BASED ON FOUR-DIGIT COMPARISONS OF SPECIFIC DIAGNOSES ) Percent of abstracts Net and gross with indicated dif ference rates principal diagnoses ~ times 1,000) ... . IOM Med ic are abstract record Net Gross Chron ic ischemic heart disease Other Total Chronic ischemic heart disease 3. ~ 1.5 5.3 Other 5.8 88.9 94. 7 Total 9. 6 90 .4 100.0 -43 .4 73 . 1 Cerebro- vascular d i sease s Other Total Cerebrovascul ar diseases 4.2 3.1 7.3 Other 1.1 91.6 92.7 Total 5.3 94. 7 100.0 19. 7 41.8 Fracture, neck of femur Other Total Fracture, neck of femur 1.5 0. ~ 2.3 Other 0.1 97.6 97.7 Total 1. 6 98 .4 100. 0 6. 7 9.3 121
122 Appendix H IOM Med ic are abstract record Net Gross Cataract Other Total Cataract 2.9 0.2 3.1 Other 0.0 96 .9 96 .9 Total 2.9 97.1 - 100.0 1.0 2.0 Ac ut e myo- cardial in fare Lion Ac ute myoc ard i al Other Total infarction 1. 7 1.1 2. Other 0.6 96.6 97.2 Total 2.3 97.7 100.0 5.8 16.5 Inguinal hernia without mention 0 f ob s truc- tion Other Total Inguinal hernia wi shout mention o f obstruction 1.3 0.2 1.5 Other 0 .0 98 .5 98 . 5 Total 1.3 98.7 100.0 1.3 2.0 Diabetes met 1 itus Other Total Diabetes mellitus 1.3 0.8 2.1 Other 1.1 96.8 97.9 Total 2.4 97.6 100.0 -3.2 19.0 Hyper- plasia of the pro state Other Total Hyperplasia of the prostate 2.0 0.4 2.4 Other 0.3 97.3 97.6 Total 2.3 97.7 100.0 1.4 6.5 ~ ,. ! ., .
123 Append ix H TOM Med ic are abstract record Net Gross Broncho- pneumonia- organ~ sm not spec i fled and pneumonia- organism and type not specified Other Total Bronchopneumonia- organ~ sm not specified and · ~ pne~onla-org and em and type not specified 2.2 1.4 3.6 Other 0.5 95.9 96.4 Total 2.7 97 .3 100.0 8.7 18. 7 Choleli- thiasi s/ chole- cystitis Other Total Cholelithiasis/ cholecystitis 1.3 0.9 2.2 Other 0.3 97.5 97.8 Total 1.6 98.4 100.0 6.0 11.9 Inte s t in al ob struction without mention of hernia Other Total Inte s t in al ob s true t ion without mention of hernia 0.5 0.5 1.0 Other 0.3 98.7 99.0 Total 0.8 99.2 100.0 2.1 7.7
124 Appendix H TOM Medicare abstract record Net Gross ~ , . _ Congestive heart failure and left ventricular failure Other Total Congestive heart failure and left ventricular failure 1.0 2.1 3.1 Other 0 . 7 96 .2 96 . 9 Total 1. 7 98 .3 100 .0 13 . 7 27 .4 Divert ic- ulosis of inte st ine Other To tat Diverticulosis of intestine 1.3 0. 7 2.0 Other 0.2 97.8 98.0 Total 1.5 98.5 100.0 4.8 8.7 Bronchitis Other Total Bronchitis 1.0 0.5 1.5 Other 0. 3 98 . 2 98 . 5 Total 1.3 98.7 100.0 2.1 8.0 Mat ignant neoplasm o f bronchus and lung Other Total Mal ignant neoplasm o f bronchus and lung 0 . 9 0 . 2 1 . 1 Other 0 .2 98 . 7 98 . 9 Total 1.1 98.9 100.0 -0.1 4.1
