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 |