Measure |
Definition |
Data Source(s) |
Methodological Notes |
HMO Competition Index |
HMO competition index |
An index that indicates the extent to which the market share of managed care is concentrated in a small number of health plans, with a higher value indicating greater concentration. ("Herfindahl Index") |
1999 InterStudy |
Data available at the MSA level only. |
HMO Penetration % |
HMO penetration rate |
Percent of area population enrolled in Health Maintenance Organizations. |
1999 InterStudy |
Data available at the MSA level only. |
Medicare Managed Care Penetration (%) |
Medicare managed care penetration |
Number of Medicare managed care enrollees divided by the total number of Medicare beneficiaries. |
2001 Area Resource File
(1999 Data) |
|
Physician Supply per 100, 000 |
Number of pediatricians per 100,000 children |
Number of pediatricians divided by the number of individuals ages 0–17, multiplied by 100,000 (non-Federal, patient care physicians). |
Numerator from 2001 Area Resource File (1999 Data); Denominator from 2001 Claritas (1999 interpolated estimate) |
Figures are based on location of physician (not patient origin which may be from other counties). |
Number of adult primary care providers per 100,000 adults |
Number of general internists, family practitioners, and general practitioners, divided by the number of individuals age 18 and older, multiplied by 100,000 (non-Federal, patient care physicians). |
Numerator from 2001 Area Resource File (1999 Data); Denominator from 2001 Claritas (1999 interpolated estimate) |
Figures are based on location of physician (not patient origin which may be from other counties). |
Number of obstetricians/gynecologists per 100,000 women |
Number of obstetricians/gynecologists divided by the total number of women age 15 and older, multiplied by 100,000 (non- Federal, patient care physicians). |
Numerator from 2001 Area Resource File (1999 Data); Denominator from 2001 Claritas (1999 interpolated estimate) |
Figures are based on location of physician (not patient origin which may be from other counties). |
Number of medical specialty doctors per 100,000 population |
Number of medical specialty doctors divided by the total population, multiplied by 100,000 (non-Federal, patient care physicians). Medical specialties include allergy and immunology, cardiovascular disease, dermatology, gastroenterology, internal medicine subspecialties, pediatric subspecialties, pediatric cardiology, and pulmonary disease. |
Numerator from 2001 Area Resource File (1999 Data); Denominator from 2001 Claritas (1999 interpolated estimate) |
Figures are based on location of physician (not patient origin which may be from other counties). |
Number of surgical specialty doctors per 100,000 population |
Number of surgical specialty doctors, divided by the total population, multiplied by 100,000 (non- Federal, patient care physicians). Surgical specialties include colon/ rectal surgery, general surgery, neurological surgery, ophthalmology, orthopedic surgery, otolaryngology, plastic surgery, thoracic surgery, and urology. |
Numerator from 2001 Area Resource File (1999 Data); Denominator from 2001 Claritas (1999 interpolated estimate) |
Figures are based on location of physician (not patient origin which may be from other counties). |
Supply/Utilization per 1,000 |
Number of inpatient hospital beds per 1,000 population |
Number of inpatient hospital beds divided by the total population, multiplied by 1,000 (non-Federal general medical/ surgical facilities). |
Numerator from 1999 American Hospital Association Annual Survey; Denominator from 2001 Claritas (1999 interpolated estimate) |
|
Number of inpatient hospital admissions per 1,000 population |
Number of admissions to inpatient hospitals divided by the total population, multiplied by 1,000 (non- Federal general medical/surgical facilities). |
Numerator from 1999
American Hospital Association Annual Survey; Denominator from 2001 Claritas (1999 interpolated estimate) |
Figures are based on location of physician (not patient origin which may be from other counties). |
Number of emergency department visits per 1,000 population |
Number of visits to emergency departments divided by the total population, multiplied by 1,000 (non-Federal general medical/surgical facilities). |
Numerator from 1999 American Hospital Association Annual Survey; Denominator from 2001 Claritas (1999 interpolated estimate) |
Figures are based on location of physician (not patient origin which may be from other counties). |