Table 2: Demographics and clinical characteristics for 89 nonagenarians admitted to the surgical ICU between 2000 and 2010.

OverallMortality groupSurvivor group

Total patients, (%)8914 (16)75 (84)
Mean age, years (range)93.2 (91–100)92.8 (91–96)93.2 (91–100)
Male : female1 : 1.021 : 1.11 : 1.06
Comorbidities, (%)
 CHF34 (38)7 (50)27 (36)
 Hypertension31 (35)3 (21)28 (37)
 Atrial fibrillation26 (29)4 (29)22 (29)
 CAD19 (21)2 (14)17 (23)
ASA grade, (%)
 I00 0
 II18 (25)0 (0.0)18 (24)
 III36 (49)3 (21)33 (44)
 IV18 (25)2 (14)16 (21)
 V2 (3)2 (14)0
Type of anesthesia, (%)
 General anesthesia66 (74)13 (93)53 (71)
 Cardiac anesthesia9 (10)1 (7)8 (11)
 Regional anesthesia7 (8)0 7 (9)
 MAC7 (8)0 7 (9)
Types of procedures, (%)
 General surgery34 (38)10 (71)24 (32)
 Orthopedic surgery12 (14)0 12 (16)
 Cardiac surgery9 (10)1 (7)8 (11)
 Urologic surgery8 (9)0 8 (11)
 Neurosurgery7 (8)1 (7)6 (8)
 Vascular surgery6 (7)2 (14)4 (5)
 Invasive procedures*13 (15)0 13 (17)
Mean operative time, min ± SD
Mean ICU stay, days ± SD
Mean length of hospital stay, days ± SD
Discharge status, (%)
 Nursing facility30 (34)30 (40)
 Home without assisted living29 (33)29 (39)
 Cancer center8 (9)8 (11)
 Rehabilitation center4 (4)4 (5)

: number of patients, CHF: congestive cardiac failure, CAD: coronary artery disease, ASA: American Society of Anesthesiologists, MAC: managed anesthesia care, min: minutes, SD: standard deviation, ICU: intensive care unit.
Invasive procedures included endoscopy, cystoscopy, and biopsy.