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Table 2 Contributions of various therapies (in US$) to the overall cost of treating knee OA patients with and without knee arthroplasty, as well as with and without HA use

From: Knee OA cost comparison for hyaluronic acid and knee arthroplasty

 

With knee arthroplasty

Without knee arthroplasty

With and without knee arthroplasty

 

Categories

No HA

Any HA

No HA

Any HA

No HA

Any HA

All patients

Primary knee arthroplasty

$2,994,911,900

$1,061,612,700

$0

$0

$2,994,911,900

$1,061,612,700

$4,056,524,600

Revision knee arthroplasty

$24,414,900

$7,335,200

$0

$0

$24,414,900

$7,335,200

$31,750,100

Hyaluronic acid

$0

$33,368,300

$0

$165,567,400

$0

$198,935,700

$198,935,700

Corticosteroid

$677,900

$579,600

$3,990,200

$1,719,500

$4,668,100

$2,299,100

$6,967,200

Physical therapy

$44,093,300

$21,198,300

$33,304,200

$12,671,700

$77,397,500

$33,870,000

$111,267,500

Arthroscopy

$10,238,400

$5,083,500

$65,144,900

$13,142,200

$75,383,300

$18,225,700

$93,609,000

Brace

$3,873,500

$3,477,200

$14,580,800

$10,370,200

$18,454,300

$13,847,400

$32,301,700

Ultrasound/fluoro imaging

$2,044,600

$4,822,200

$7,258,900

$25,657,800

$9,303,500

$30,480,000

$39,783,500

Anesthesia for knee surgery

$105,795,100

$40,206,200

$10,679,800

$2,202,300

$116,474,900

$42,408,500

$158,883,400

Arthrocentesis

$7,495,300

$15,140,500

$41,151,100

$63,020,000

$48,646,400

$78,160,500

$126,806,900

Knee imaging

$13,289,600

$7,473,700

$53,768,700

$15,433,100

$67,058,300

$22,906,800

$89,965,100

Office visits

$33,027,900

$19,742,800

$138,959,900

$51,145,900

$171,987,800

$70,888,700

$242,876,500

Total pharmacy

$22,150,600

$17,666,500

$80,300,500

$44,926,000

$102,451,100

$62,592,500

$165,043,600

 Opioids

$15,314,400

$11,537,300

$53,955,800

$29,549,400

$69,270,200

$41,086,700

$110,356,900

 NSAIDs

$6,836,100

$6,125,500

$26,344,700

$15,376,800

$33,180,800

$21,502,300

$54,683,100

Others

$310,527,000

$122,053,300

$703,941,000

$108,963,900

$1,014,468,000

$231,017,200

$1,245,485,200

Total

$3,572,540,000

$1,359,760,000

$1,153,080,000

$514,820,000

$4,725,620,000

$1,874,580,000

$6,600,200,000