From: Treatment intensity, age and outcome in medical ICU patients: results of a French administrative database
<80 years [n (%)]
≥80 years [n (%)]
Group 0
6624 (30.5 %)
1073 (33.5 %)
Group 1
2695 (13.2 %)
266 (8.3 %)
Group 2
2755 (13.5 %)
457 (14.3 %)
Group 3
8701 (42.7 %)
1407 (43.9 %)