Table 1. Characteristics of included medical, surgical, and hematological patients Characteristics Medical Surgical Hematological Old building (n=34) New building (n=79) P-value Old building (n=161) New building (n=187) P-value Old building (n=30) New building (n=106) P-value Male gender (%) 21 (61.8) 40 (50.6) 0.276 82 (50.9) 102 (54.5) 0.501 19 (63.3) 55 (51.9) 0.266 Age, median (range) 60 (19-78) 58 (20-89) 0.723 60 (18-85) 65 (24-87) 0.064 59 (33-76) 62 (20-81) 0.373 Dutch origin (%)* 28 (82.4) 68 (86.1) 0.612 143 (88.8) 164 (87.7) 0.431 26 (86.7) 97 (91.5) 0.332 Length of hospital stay, median (range) 3 (2-41) 4 (2-21) 0.374 5 (2 -43) 5 (2-72) 0.243 9.5 (2-52) 10.5 (2-146) 0.916 Surgery during hospitalization (%) 6 (17.6) 17 (21.5) 0.639 159 (98.8) 179 (95.7) 0.091 1 (3.3) 7 (6.6) NA ICU admission during hospitalization (%) 1 (2.9) 2 (2.5) NA 20 (12.4) 14 (7.5) 0.122 0 (-) 2 (1.9) NA Antibiotic use during hospitalization (%) 14 (41.2) 27 (34.2) 0.478 147 (91.3) 171 (91.4) 0.963 26 (86.7) 92 (86.8) 0.986 ICU Intensive Care Unit. NA not applicable, P-values could not be calculated due to observed and expected values below 5 for one or both groups *9 patients had missing data on country of origin 2 33 Effect of single-occupancy rooms on ESBL-E acquisition
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