Table 2.
Univariate analysis for Severity of Disease Scoring Systems, Length of stay in SICU, Postoperative complications and Mortality.
| Variables | OEG | VEG | p-values |
|---|---|---|---|
| (65‒85 years old) | (> 85 years old) | ||
| n = 2205 | n = 126 | ||
| APACHE II, median (IQR) | 10.0 (8.8‒13.0) | 12.0 (9.0‒15.3) | <0.001b |
| SAPS II, median (IQR) | 22.2 (17.8‒28.9) | 26.6 (20.0‒33.9) | <0.001b |
| Length of stay in SICU, hours, median (IQR) | 20.0 (16.0‒41.0) | 20.0 (16.0–43.0) | 0.898b |
| Organ insufficiency,c n (%) | 389 (17.6) | 31 (24.6) | 0.048a |
| MACE, n (%) | 74 (3.4) | 1 (0.8) | 0.079a |
| ARF, n (%) | 167 (7.6) | 14 (11.1) | 0.149a |
| Mortality in SICU, n (%) | 120 (5.2) | 6 (14.0) | 0.026a |
| Mortality in hospital, n (%) | 105 (5.0) | 21 (9.3) | 0.012a |
APACHE II, Acute Physiology and Chronic Health Evaluation; ARF, Acute Renal Failure; MACE, Major Adverse Cardiac Events; OEG, Older Elderly Group; SAPS II, Simplified Acute Physiology Score II; SICU, Surgical Intensive Care Unit; VEG, Very Elderly Group; n, number; IQR, Interquartile range (P25‒P75).
a
Chi-square test.
b
Mann-Whitney test.
c
Organ insufficiency as defined by APACHE II.