Table 2.

Incidence of 30-day mortality by postoperative days to reintubation, age decile, and American Society of Anesthesiologists (ASA) score^a

Variable	N	Mortality, n (%)	p value
Postoperative days to reintubation
0–1	4434	878 (19.8)	0.003
2–3	3404	967 (28.4)
4–6	2884	949 (32.9)
≥ 7	6329	2215 (35.0)
Age decile (years)
40–49	2016	361 (17.9)	< 0.001
50–59	3125	675 (21.6)
60–69	4678	1212 (25.9)
70–79	3556	1213 (34.1)
80–89	3676	1548 (42.1)
ASA score
1 - No disturbance	91	11 (12)	< 0.001
2 - Mild disturbance	1651	317 (19.2)
3 - Severe disturbance	9236	2503 (27.1)
4 - Life-threatening	5723	2032 (35.5)
5 - Moribund	350	146 (41.6)

^a5009 total deaths out of 17,051 total reintubations.