Table 1: Patient characteristics at the time of the index endoscopic ultrasound procedure in Ontario, 2003-2011
CharacteristicNo. (%) of patients*
n = 8001
Median age (IQR), yr59 (51-67)
Female sex3858 (48.2)
Urban residence7057 (88.2)
Income quintile
    1 (lowest)1539 (19.2)
    21533 (19.2)
    31531 (19.1)
    41656 (20.7)
    5 (highest)1707 (21.3)
    Unknown35 (0.4)
No. of morbidity groups†
    0-51924 (24.0)
    6-104733 (59.2)
    > 101344 (16.8)

Note: IQR = interquartile range.

*Except where noted otherwise.

†Johns Hopkins Adjusted Clinical Groups case-mix system.