Table 1

 Demographic data—landmark versus CT guided injection

Landmark approach (n = 40)CT guided approach (n = 37)
OA, degenerative disease (primary osteoarthritis and/or rotator cuff degeneration); RA, primary diagnosis of rheumatoid arthritis.
Age (years), mean (SD)74.5 (15.2)76.0 (9.0)
Sex (M:F)21:1917:20
ShoulderLeft 19; right 21Left 14; right 23
Clinical diagnosis
    OA3732
    RA35
Duration of symptoms (months), mean (SD)64.4 (32.8)62.6 (29.7)