|
National Hospital Discharge Survey (NHDS)
|
| Study Number |
S16_65 |
| Background of Dataset |
| Purpose of the Data Set |
Provides information annually on the inpatient use
of hospitals in the United States. |
| Criteria(s) for Inclusion/Exclusion |
|
| Age Range Included |
|
| Method(s) of Data Gathering |
Information is abstracted from a sample of medical
records from each sample hospital. |
| Sampling Frame/Design |
Medical record sampling. Cross sectional design
containing a national sample of 500 non-Federal, short-stay hospitals
or approximately 8% of the universe. |
| Limitation(s) of Study |
Race is not stated in approxiamtely 20% of the records;
ethnicity is not stated in 75% of the records and is not on public
use tapes. |
|
Year(s) Available
|
1965-Present. |
| Number of Observations |
Approx. 270,000 annually. |
| Unit of Observation |
Hospital discharge. |
| Publisher |
National Center for Health Statistics (NCHS), CDC |
| Contact Information/Web Address |
http://www.cdc.gov/nchs/nhds/nhds_questionnaires.htm |
| Condition of Use |
Publicly Available. |
| Contents of Database |
|
Key Linking Variables
|
|
|
•Patient identifier
|
|
|
•Physician identifier
|
|
|
•Health facility identifier
|
|
|
•Geographic identifier
|
|
|
•Other identifier
|
|
| Demographics Information |
|
|
•Sex
|
Yes. |
|
•Race
|
Yes. |
|
•Geographic location
|
|
|
•Income
|
|
|
•Education
|
|
|
•Employment status
|
|
|
•Others
|
|
| Access/Utilization Information |
|
| Unit of Utilization |
|
| Source of Information |
|
|
•Self reported
|
|
|
•Parent
|
|
|
•Medical provider
|
|
|
•Billing/encounters
|
|
|
•Other source
|
|
| Health Insurance Information |
|
|
•Insurance status
|
|
|
•Insurance type
|
|
|
•Other information
|
|
| Health Care Utilization |
Yes. |
| >Type |
|
| 1) Outpatient |
|
|
•Date of visits
|
|
|
•Number of visits
|
|
|
•Referrals information
|
|
|
•Specialty visits
|
|
|
•Other outpatient utilization
|
|
|
2) Inpatient
|
|
|
•Admission/discharge dates
|
Yes. |
|
•Number of admissions
|
|
|
•Length of stay
|
|
|
•Admission status (transfer, ER admissions...etc)
|
|
|
•Discharge status
|
Yes. |
|
•Other information
|
|
|
3) Emergency room
|
|
|
•Date of visits
|
|
|
•Number of visits
|
|
|
•Other information
|
|
|
4) Pharmacy
|
|
|
•Date of prescription
|
|
|
•Drug information
|
|
|
•Other information
|
|
|
5) Other utilization
|
|
|
•Home care services
|
|
|
•Long term care
|
|
|
•Other services
|
|
| >Medical Codes |
|
|
•CPT codes
|
Yes. |
|
•ICD-9 codes
|
Yes. |
|
•DRG codes
|
|
|
•Other codes
|
|
| Health Care Facility Information |
|
|
•Location
|
|
|
•Number of beds
|
|
|
•Number of MDs
|
|
|
•Other information
|
|
| Physician Information |
|
|
•Specialty
|
|
|
•Name
|
|
|
•License Number
|
|
|
•Other information
|
|
| Cost/Expenditure Information |
|
|
•Unit of cost
|
|
|
•Charges/costs/payments
|
|
|
•Total
|
|
|
•Allied and additional services
|
|
|
•Pharmacy
|
|
|
•Out-of-pocket payments
|
|
|
•Other information
|
|
| Other Information |
|
| • |
|
