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Table 1 Clinical and demographic characteristics of surveyed patients according to survey year

From: A trend in prevalence of antimicrobial use and appropriateness of antimicrobial therapy in an acute care hospital from 2018 to 2019: repeated prevalence surveys in Japan

CharacteristicsAugust 2018 (n = 256)August 2019 (n = 275)
Age, year, median (IQR)76 (67–84)76 (65–85)
Age category, n (%)
 < 1 year2 (0.8)5 (1.8)
 1–17 years11 (4.3)6 (2.2)
 18–24 years1 (0.4)8 (2.9)
 25–44 years12 (4.7)10 (3.6)
 45–64 years33 (12.9)36 (13.1)
 65–84 years142 (55.5)135 (49.1)
 > 84 years55 (21.5)75 (27.3)
Women, n (%)131 (51.2)138 (50.2)
Residence before the index admission, n (%)
 Home230 (89.8)246 (89.5)
 Nursing care facility14 (5.5)26 (9.5)
 Other hospitals12 (4.7)3 (1.1)
Past medical history, n (%)
 Ischemic heart disease16 (6.3)15 (5.5)
 Stroke34 (13.3)54 (19.6)
 Dementia21 (8.2)36 (13.1)
 Liver cirrhosis8 (3.1)11 (4.0)
 Diabetes mellitus47 (18.4)65 (23.6)
 Dialysis0 (0.0)0 (0.0)
Immunosuppression drug use, n (%)23 (9.0)23 (8.4)
Location in hospitals, n (%)
 Ward247 (96.5)265 (96.4)
 Critical care unit9 (3.5)10 (3.6)
Central line in place on survey date, n (%)17 (6.6)8 (2.9)
Peripheral line in place on survey date, n (%)88 (34.4)90 (32.7)
Urinary catheter in place on survey date, n (%)33 (12.9)39 (14.2)
Intubated or tracheal tube in place on survey date, n (%)2 (0.8)2 (0.7)
Drainage tube in place on survey date, n (%)6 (2.3)10 (3.6)
Median days to survey date from admission (IQR)9 (3–22)9 (3–20)