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. 2021 Jun 9;12:100187. doi: 10.1016/j.lanwpc.2021.100187

Table 3.

Comparison of general practitioner imaging and referral patterns and non-pharmacological management of knee and hip OA in period one and period two.

Knee OA Rate per 100 knee OA problems managed (95% CI)
Hip OA Rate per 100 hip OA problems managed (95% CIs)
2005-10
2010-16
2005-10
2010-16
N n=3,058 N n=4,156 N n=1,106 N n=1,492
Medicare chronic disease management items ^ 53 1•7 (1•1-2•3) 137 3•3 (2•6-4•0) 21 1•9 (0•9-2•9) 93 6•2 (4•5-7•9)
Referrals
 All 533 17•4 (16•0-18•9) 879 21•2 (19•8-22•5) * 196 17•7 (15•4-20•0) 358 24•0 (21•7-26•3) *
 New 100 14•9 (12•1-17•7) 181 18•9 (16•1-21•6) 39 13•7 (9•6-17•8) 73 19•7 (15•4-24•0)
 Specialist referrals 393 12•9 (11•6-14•1) 586 14•1(13•0-15•2) 151 13•7(11•6-15•7) 249 16•7(14•8-18•6)
  Orthopaedic surgeon 363 11•9 (10•7-13•1) 548 13•2 (12•1-14•3) 147 13•3 (11•3-15•3) 234 15•7 (13•8-17•6)
  Rheumatologist 19 0•6 (0•3-0•9) 15 0•4 (0•2-0•5) 0 0•0 (N/A) 5 0•3 (0•0-0•6)
 Allied health professionals 118 3•9 (3•1-4•6) 262 6•3 (5•5-7•1) * 40 3•6 (2•5-4•7) 96 6•4 (5•1-7•7) *
  Physiotherapist 97 3•2 (2•5-3•8) 209 5•0 (4•3-5•7) * 33 3•0 (2•0-4•0) 67 4•5 (3•4-5•6)
  Podiatrist/chiropodist 5 0•2 (0•0-0•3) 5 0•1 (0•0-0•2) 2 0•2 (0•0-0•4) 5 0•3 (0•0-0•6)
  Exercise physiologist 0 0•0 (N/A) 8 0•2 (0•1-0•3) 1 0•1 (0•0-0•3) 6 0•4 (0•1-0•7)
  Dietitian/nutritionist 1 0•0 (0•0-0•1) 7 0•2 (0•0-0•3) 0 0•0 (N/A) 2 0•1 (0•0-0•3)
Imaging
 All 668 21•8 (20•2-23•5) 1,037 25•0 (23•5-26•4) 356 32•2 (28•9-35•5) 464 31•1 (28•1-34•1)
 New 301 44•8 (40•7-48•9) 444 46•3 (42•7-49•8) 167 58•8 (51•1-66•5) 209 56•3 (49•4-63•3)
  Diagnostic radiology ¢ 632 20•7 (19•1-22•2) 913 22•0 (20•6-23•3) 332 30•0 (26•8-33•2) 400 26•8 (24•1-29•5)
  Ultrasound 26 0•9 (0•5-1•2) 66 1•6 (1•2-2•0) 16 1•4 (0•6-2•3) 36 2•4 (1•6-3•2)
  MRI 5 0•2 (0•0-0•3) 43 1•0 (0•7-1•4) * 1 0•1 (0•0-0•3) 10 0•7 (0•2-1•1) *
Counselling/advice/ education
 All 472 15•4 (14•0-16•9) 821 19•8 (18•3-21•2) * 175 15•8 (13•3-18•4) 268 18•0 (15•7-20•2)
 New 106 15•8 (12•7-18•8) 195 20•3 (17•2-23•4) 39 13•7 (9•0-18•4) 65 17•5 (13•2-21•8)
Physical Treatments
 All 345 11•3 (9•9-12•7) 470 11•3 (9•9-12•7) 39 3•5 (2•3-4•8) 82 5•5 (3•9-7•1)
 New 65 9•7 (7•1-12•2) 105 10•9 (8•8-13•1) 5 1•8 (0•0-3•6) 18 4•9 (2•5-7•2)
 Exercise/rehabilitation 114 3•7 (2•9-4•6) 213 5•1 (4•3-6•0) 23 2•1 (1•1-3•1) 50 3•4 (1•9-4•8)
 Acupuncture 56 1•8 (1•2-2•5) 50 1•2 (0•7-1•7) 2 0•2 (0•0-0•4) 9 0•6 (0•2-1•0)
 Joint injection # 134 4•4 (3•5-5•3) 132 3•2 (2•5-3•9) 6 0•5 (0•1-1•0) 10 0•7 (0•3-1•1)
At least one lifestyle management
 All 546 17•9 (16•4-19•3) 954 23•0 (21•5-24•4) * 186 16•8 (14•5-19•1) 292 19•6 (17•3-21•8)
 New 139 20•7 (17•5-23•9) 257 26•8 (23•8-29•7) 42 14•8 (10•4-19•1) 77 20•8 (16•4-25•1)

^ Medicare service item numbers (up to 3) could be recorded for each encounter. Chronic disease management items including case conferences: Identified by any of the following item numbers: 720, 721, 722, 723, 724, 725, 726, 727, 729, 730, 731, 732.

†At least one of the following being used in the management of OA: referral to a dietician/nutritionist or physiotherapist; advice/education/counselling; physical medicine/rehabilitation.

# performed by the GP and includes platelet rich plasma, hyaluronic acid, corticosteroid.

¢ including x-ray but excluding MRI and US.

* significant difference compared with 2005-2010 time period.

N/A=not applicable; CI=confidence interval.