Table 2 Healthcare use and cost outcomes in 2 year time period after diagnosis
Full cohort (n = 74,408) | Any physical therapy use (n = 15,430) | Physical therapy first (n = 3591) | Early physical therapy (n = 7924) | Delayed physical therapy (n = 3915) | No physical therapy (n = 58,579) | |
|---|---|---|---|---|---|---|
Number of individuals receiving imaging/pharmaceuticals, N (%) | ||||||
Knee x-ray | 37,058 (49.8) | 9132 (59.2) | 1045 (29.1) | 5134 (64.8) | 2953 (75.4) | 27,669 (47.2) |
Advanced imaging | 16,166 (21.7) | 4705 (30.5) | 774 (21.6) | 2255 (28.5) | 1676 (42.8) | 11,346 (19.4) |
Opioids | 4889 (6.6) | 1502 (9.7) | 193 (5.4) | 770 (9.7) | 539 (13.8) | 3333 (5.7) |
Muscle relaxants | 2453 (3.3) | 744 (4.8) | 90 (2.5) | 401 (5.1) | 253 (6.5) | 1677 (2.9) |
NSAIDs prescription | 6757 (9.1) | 2121 (13.7) | 253 (7.0) | 1137 (14.3) | 731 (18.7) | 4562 (7.8) |
Other analgesics (acetaminophen, etc.) | 1984 (2.7) | 629 (4.1) | 80 (2.2) | 328 (4.1) | 221 (5.6) | 1333 (2.3) |
Corticosteroid injections | 3233 (4.3) | 995 (6.4) | 128 (3.6) | 512 (6.5) | 355 (9.1) | 2213 (3.8) |
Number of knee physical therapy visits, mean (SD) | 5.96 (7.92) | 6.16 (7.91) | 5.16 (7.39) | 6.36 (8.01) | 6.67 (8.08) | – |
Number of knee-related care visits, mean (SD) | 4.97 (7.75) | 9.58 (10.54) | 6.55 (9.26) | 9.99 (10.59) | 11.55 (10.93) | 3.73 (6.27) |
Total healthcare costs, mean (95% CI) | $8390 ($8310, $8470) | $9234 ($9069, $9398) | $7610 ($7268, $7951) | $9416 ($9193, $9639) | $10,354 ($10,017, $10,691) | $8160 ($8070, $8251) |
Total knee-related costs, mean (95% CI) | $1103 ($1087, $1119) | $1821 ($1777, $1864) | $1136 ($1056, $1217) | $1902 ($1843, $1962) | $2283 ($2192, $2374) | $910 ($893, $926) |