Skip to main content
. 2017 Aug 18;7(8):e015828. doi: 10.1136/bmjopen-2017-015828

Table 2.

DAH30 according to patient and perioperative characteristics

Variable N (%) Raw median
DAH30 (95% CI)
p Value Adjusted median
DAH30 (95% CI)*
p Value
Patient age (years) <0.001 <0.001
 <50 220 (11) 24.9 (24.4 to 25.4) 24.8 (24.4 to 25.2)
 50–60  396 (19) 24.0 (23.4 to 24.6) 24.4 (24.0 to 24.9)
 60–70  612 (29) 23.9 (23.8 to 24.0) 24.0 (23.6 to 24.3)
 70–80  653 (31) 22.8 (22.6 to 23.0) 23.0 (22.7 to 23.4)
 ≥80  228 (11) 22.7 (22.0 to 23.5) 22.2 (21.7 to 22.7)
Sex 0.042 0.14
 Male 1427 (68) 23.7 (23.1 to 24.2) 23.7 (23.5 to 24.0)
 Female 682 (32) 24.0 (23.7 to 24.2) 23.5 (23.2 to 23.8)
Smoker 0.094
 Yes 787 (37) 23.2 (22.6 to 23.8) Not done
 No 1322 (63) 23.8 (23.7 to 23.9) Not done
Diabetes 0.003
 Yes 697 (33) 23.0 (22.4 to 23.6) Not done
 No 1412 (67) 23.8 (23.8 to 23. 9) Not done
Heart failure
 Yes 365 (17) 22.9 (22.4 to 23.4) 0.002 Not done
 No 1744 (83) 23.8 (23.7 to 23.9) Not done
ASA physical status <0.001
 1 41 (1.9) 28.0 (26.3 to 29.7) <0.001 25.9 (25.1 to 26.6)
 2 530 (25) 25.0 (24.7 to 25.3) 24.4 (24.0 to 24.7)
 3 1024 (51) 23.7 (23.1 to 24.3) 23.6 (23.2 to 23.9)
 4 510 (24) 22.0 (21.4 to 22.5) 23.0 (22.6 to 23.3)
Duration of surgery (hours) <0.001 <0.001
 <2.0 581 (29) 25.9 (25.7 to 26.1) 25.6 (25.2 to 26.0)
 2.0–2.99 412 (20) 24.0 (23.5 to 24.5) 24.0 (23.7 to 24.3)
 3.0–3.99 551 (26) 22.9 (22.8 to 23.1) 23.1 (22.7 to 23.4)
 ≥4.0 565 (27) 21.9 (21.4 to 22.3) 22.0 (21.6 to 22.5)

*Covariates included in the multivariable adjustment were patient age, sex, ASA physical status and duration of surgery.

ASA, American Society of Anesthesiologists; DAH30, days at home up to 30 days after surgery.