Skip to main content

Table 1 Characteristics of Medicare beneficiaries and facet joint interventions.

From: Explosive growth of facet joint interventions in the medicare population in the United States: a comparative evaluation of 1997, 2002, and 2006 data

       % of increase from
    1997 2002 2006 2002-2006 1997-2006
US Population (,000) 267,784 288,369 299,395 3.8% 11.8%
   > = 65 years (,000) 34,933 35,602 37,125 4.3% 6.3%
Medicare Beneficiaries (,000) 38,465 40,503 43,339 7.0% 12.7%
Age ≥ 65 years 33,636 34,698 36,317 4.7% 8.0%
   < 65 years 4,829 5,805 7,022 21.0% 45.4%
Gender Male 40.70% 43.85% 44.16% 0.7% 8.5%
   Female 59.30% 56.15% 55.84% -0.6% -5.8%
Facet joint intervention patients and visits        
Number of Medicare patients receiving facet joint interventions 46,640 119,160 254,720 114% 446%
   Patients per 100,000 Medicare beneficiaries 121 294 588 100% 386%
   Number of visits 88,280 225,280 543,900 141% 516%
   Visits per 100,000 Medicare beneficiaries 230 556 1,255 126% 446%
   Services 233,200 607,760 1,688,180 178% 624%
   Interventions per 100,000 Medicare beneficiaries 606 1,501 3,895 160% 543%
   Average visits per patient 1.9 1.9 2.1 0 0.2%
Facet joint interventions by age
   Patients < 65 years Number of patients 9,800 27,060 65,420 142% 568%
   Rate (per 100,000) 25 67 151 125% 504%
  ≥ 65 years Number of patients 36,840 92,100 189,300 106% 414%
   Rate (per 100,000) 96 227 437 93% 355%
   Visits < 65 years Number of visits 19,840 54,960 154,760 182% 680%
   Rate (per 100,000) 52 136 357 163% 587%
  ≥ 65 years Number of visits 68,440 170,320 389,140 128% 469%
   Rate (per 100,000) 178 421 898 113% 404%
   Services < 65 years Number of services 56,040 148,720 495,480 233% 784%
   Rate (per 100,000) 146 367 1,143 211% 683%
  ≥ 65 years Number of services 177,160 459,040 1,192,700 160% 573%
   Rate (per 100,000) 461 1,131 2,752 143% 498%
\