Table 1 Comparison between characteristics of octogenarian patients (80–90) and matched nonagenarian patients (>90)
Variables | 80–90 years old N = 176 | >90 years old N = 176 | p valuea |
|---|---|---|---|
Age in years, median (IQR) | 83.8 (81.4–85.7) | 92 (90.8–93.7) | <0.01 |
Males, n (%) | 84 (47.7) | 66 (37.5) | 0.05 |
Body mass index, kg/m2, median (IQR)b | 25 (22.6–28.9) | 23.1 (20.4–26.1) | <0.01 |
Transfer from ward, n (%) | 103 (58.5) | 86 (48.9) | 0.07 |
At least one underlying diseasec, n (%) | 74 (42.0) | 76 (43.2) | 0.83 |
Hepatic | 3 (1.7) | 3 (1.7) | 1.00 |
Cardiovascular | 43 (24.4) | 55 (31.3) | 0.15 |
Pulmonary | 30 (17) | 19 (10.8) | 0.09 |
Renal | 8 (4.5) | 6 (3.4) | 0.59 |
Immunosuppression | 5 (2.8) | 8 (4.5) | 0.40 |
Admission category, n (%) | 0.35 | ||
Medicine | 122 (69.3) | 112 (63.6) | |
Unscheduled surgery | 42 (23.9) | 54 (30.7) | |
Scheduled surgery | 12 (6.8) | 10 (5.7) | |
Main symptom at admission, n (%) | |||
Shock and multiorgan failure | 52 (29.5) | 51 (29) | 0.91 |
Acute respiratory failure | 63 (35.8) | 54 (30.7) | 0.31 |
Acute renal failure | 8 (4.5) | 7 (4) | 0.79 |
Coma | 14 (8) | 10 (5.7) | 0.40 |
Monitoring | 24 (13.6) | 37 (21) | 0.07 |
Trauma | 2 (1.1) | 2 (1.1) | 1.00 |
Severity of illness at admission, median (IQR) | |||
SAPS II at admission | 45 (37–57) | 46 (37–59) | 0.77 |
SAPS II leaving out age points | 27 (19–39) | 28 (19–41) | 0.77 |
SOFA within 48 h of admission | 5 (3–8) | 5 (3–8) | 0.96 |