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Table 2 Characteristics of subjects completing the study compared with those who failed to complete the study

From: Accuracy of injection and short-term pain relief following intra-articular corticosteroid injection in knee osteoarthritis – an observational study

  3 weeks (n = 104)
Characteristics Completer (n = 94) Non completion (n = 11) P
Age [years] [mean (SD)] 64.3 (11.4) 57.1 (8.3) 0.043
Female [n (%)] 59 (62.8%) 3 (27.3%) 0.047
BMI [mean(SD)] 30.7 (5.3) 31.7 (7.5) 0.549
Previous injection [n (%)] 56 (59.6%) 4 (36.4%) 0.199
Baseline Pain [mean (SD)] 264.5 (97.1) 275.4 (84.3) 0.724
US effusion depth [mm] [mean (SD)] 3.7 (2.3) 3.8 (1.7) 0.924
PD grade [median (IQR)] 0 (0,1) 0 (0,1) 0.702
Osteophyte grade [median (IQR)] 2 (1,3) 2 (1,3) 0.977
JSN grade [median (IQR)] 2 (1,2) 2 (1,2) 0.538
hsCRP [mg/L] [median (IQR)] 5.58 (1.5,6.5) 7.80 (3.8, 10.1) 0.021
Positive US arthrogram [n (%)] 66 (70.2%) 8 (72.7%) 1.00
Responder at 3 weeks [n (%)] 56 (60.2) 7 (63.6) 1.00