Table 2.
Diagnoses: comparison of nationwide inpatient sample (NIS) and health facts® (HF) EHR population
| Total number of discharges | Comparison | Percentage of total discharges | ||||||
|---|---|---|---|---|---|---|---|---|
| Major diagnostic category and name | HCUP | HF | Rel Diff (%) | t-value | HCUP | HF | ||
| Diseases & disorders of: | Std. Error | % | % | |||||
| 1 | Nervous System | 2350764 | 58581 | 2373818 | 0.98 | 0.39 | 6.03 | 6.12 |
| 2 | The Eye | 56970 | 2792 | 52699 | 7.50 | 1.53 | 0.15 | 0.14 |
| 3 | The Ear, Nose, Mouth & Throat | 430252 | 15310 | 453087 | 5.31 | 1.49 | 1.1 | 1.17 |
| 4 | The Respiratory System | 3816282 | 72030 | 3993373 | 4.64 | 2.46* | 9.79 | 10.29 |
| 5 | The Circulatory System | 5315827 | 133686 | 5752792 | 8.22 | 3.27* | 13.64 | 14.82 |
| 6 | The Digestive System | 3473022 | 69682 | 3688959 | 6.22 | 3.10* | 8.91 | 9.51 |
| 7 | The Hepatobiliary System & Pancreas | 1147155 | 27534 | 1175248 | 2.45 | 1.02 | 2.94 | 3.03 |
| 8 | The Musculoskeletal System & Connective Tissue | 3530758 | 96593 | 3161459 | 10.46 | 3.82* | 9.06 | 8.15 |
| 9 | The Skin, Subcutaneous Tissue & Breast | 1007290 | 20998 | 1003193 | 0.41 | 0.20 | 2.58 | 2.58 |
| 10 | Endocrine, Nutritional & Metabolic Diseases & Disorders | 1269130 | 28332 | 1338294 | 5.45 | 2.44* | 3.26 | 3.45 |
| 11 | The Kidney & Urinary Tract | 1684021 | 35948 | 1667673 | 0.97 | 0.45 | 4.32 | 4.3 |
| 12 | The Male Reproductive System | 193562 | 8343 | 212178 | 9.62 | 2.23 | 0.5 | 0.55 |
| 13 | The Female Reproductive System | 681145 | 19395 | 214863 | 68.46 | 24.04* | 1.75 | 0.55 |
| 14 | Pregnancy, Childbirth & The Puerperium | 4323036 | 145371 | 1609355 | 62.77 | 18.67* | 11.09 | 4.15 |
| 15 | Newborns & Other Neonates With Condition Originating In Perinatal Period | 4062084 | 135500 | 3121359 | 23.16 | 6.94* | 10.42 | 8.04 |
| 16 | Blood, Blood Forming Organs, & Immunological Disorders | 531030 | 14971 | 526763 | 0.80 | 0.29 | 1.36 | 1.36 |
| 17 | Myeloproliferative Diseases & Disorders, Poorly Differentiated Neoplasms | 353805 | 27161 | 334898 | 5.34 | 0.70 | 0.91 | 0.86 |
| 18 | Infectious & Parasitic Diseases, Systemic Or Unspecified Sites | 1260596 | 29170 | 1111343 | 11.84 | 5.12* | 3.23 | 2.85 |
| 19 | Mental Diseases & Disorders | 1517367 | 92216 | 862761 | 43.14 | 7.10* | 3.89 | 2.22 |
| 20 | Alcohol/Drug Use & Alcohol/Drug Induced Organic Mental Disorders | 484570 | 39402 | 181993 | 62.44 | 7.68* | 1.24 | 0.47 |
| 21 | Injuries, Poisonings & Toxic Effects Of Drugs | 609005 | 14033 | 560075 | 8.03 | 3.49* | 1.56 | 1.44 |
| 22 | Burns | 42428 | 7177 | 46046 | 8.53 | 0.50 | 0.11 | 0.12 |
| 23 | Factors Influencing Health Status & Other Contacts With Health Services | 652276 | 31948 | 883098 | 35.39 | 7.22* | 1.67 | 2.28 |
| 24 | Multiple Significant Trauma | 104919 | 8205 | 79620 | 24.11 | 3.08* | 0.27 | 0.21 |
| 25 | Human Immunodeficiency Virus Infections | 77981 | 8095 | 49029 | 37.13 | 3.58* | 0.2 | 0.13 |
| All Diagnosis | 38975272 | 38808845 | ||||||
*Indicates t-values over 1.960. These are diagnoses that are significantly different between the data sets at 95 % confidence