TABLE 3.

Prognostic effects of delayed AAT in the propensity score-matched patients, categorized by the different age groups.

Variable	30-day mortality rate (%)	Odds ratio (95% CI)	P value
Middle-aged (n = 582)
Delayed AAT ≥ 24 h (n = 103)	21.4	1.73 (1.01–2.96)	0.04
Delayed AAT ≥ 48 h (n = 85)	22.4	1.82 (1.03–3.21)	0.04
Old (n = 582)
Delayed AAT ≥ 24 h (n = 104)	20.2	1.84 (1.07–3.17)	0.03
Delayed AAT ≥ 48 h (n = 81)	22.2	1.95 (1.09–3.51)	0.02
Very old (n = 582)
Delayed AAT ≥ 24 h (n = 98)	22.4	1.87 (1.09–3.21)	0.02
Delayed AAT ≥ 48 h (n = 76)	26.3	2.34 (1.32–4.15)	0.003

CI, confidence interval.