Skip to main content
. 2019 Apr 18;14(4):e0215374. doi: 10.1371/journal.pone.0215374

Table 1. Association between preoperative factors and postoperative delirium (PODE).

Variable PODE
(n = 221)
No PODE
(n = 691)
P value
Age (years)* 61.01 ± 11.70 59.17 ± 10.21 0.036
BMI (kg/m2)* 25.31 ± 2.67 25.19 ± 2.62 0.552
Male sex (n, %) 124 (56.1%) 230 (33.3%) <0.001
Smoking (n, %) 42 (19.0%) 135 (19.5%) 0.862
Alcohol use (n, %) 28 (12.7%) 100 (14.5%) 0.502
Cardiac disease (n %) 40 (18.1%) 63 (9.1%) <0.001
Hypertension (n, %) 66 (29.9%) 110 (15.9%) <0.001
Diabetes mellitus (n, %) 57 (25.8%) 128 (18.5%) 0.019
Cerebrovascular disease (n, %) 79 (35.7%) 181 (26.2%) 0.006

*Values are expressed as mean ± standard deviation

BMI, body-mass index