From: Comparison of general practitioners and rheumatologists' prescription patterns for patients with knee osteoarthritis
All patients
n = 1,821
GPs
n = 1,570
RHs
n = 251
P value
Arthrocentesis alone
5.8
3.9
17.9
< 0.0001
Corticosteroid injection
10.8
7.6
31.5
Hyaluronan injection
8.5
2.5
46.2