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. 2016 Aug 18;11(8):e0161246. doi: 10.1371/journal.pone.0161246

Table 1. Basic characteristics of the study population according to APDa user status.

APDa non-user n = 1322076 APDa user n = 24633
Age, mean (SD) 76.2 (7.9) 77.7 (7.4)
Women, n (%) 760816 (57.5) 13743 (55.8)
Institution, n (%) 82345 (6.2) 3967 (16.1)
Number of drugs, n mean, (SD) 4.5 (3.4) 7.2 (4.0)

a APD = anti-parkinson drugs