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. 2022 Feb 28;194(8):E279–E296. doi: 10.1503/cmaj.211416

Table 5:

Trends in amount of inappropriately used practices over time

Category of care 2009–2017
n = 92
2018–2020
n = 80


No. of studies (no. of findings) Median (IQR), % No. of studies (no. of findings) Median (IQR), %
Diagnostics subtotal 52 (154) 28.5 (17.0–50.4) 35 (99) 26.7 (7.0–42.2)

Therapeutics subtotal 58 (128) 42.2 (18.9–67.3) 50 (120) 24.5 (3.9–55.0)

Total 92 (282) 32.6 (18.0–58.7) 80 (219) 25.9 (5.0–52.1)

Note: IQR = interquartile range. Multiple diagnostics subcategory removed: only 1 data point in 2018–2020; multiple therapeutics subcategory removed: only 1 data point in 2009–2017.