Table 1 Basic characteristics of patients
Parameter | Age 50–64 n = 202 | Age 65–79 n = 216 | Age ≥ 80 n = 192 | P-Value | |
|---|---|---|---|---|---|
Age (y) | 60.7 ± 2.7 | 73.5 ± 4.4 | 86.9 + 4.1 | P < 0.001 | |
Gender | |||||
Male | 107 (53.0) | 121 (56.0) | 114 (59.4) | 0.441 | |
Female | 95 (47.0) | 95 (44.0) | 78 (40.6) | ||
Weight (kg) | 62.9 ± 8.1 | 62.3 ± 5.0 | 61.5 ± 6.1 | 0.106 | |
BMI (kg/m2) | 22.7 ± 2.7 | 22.6 ± 2.2 | 22.4 ± 2.5 | 0.408 | |
ASA | |||||
I | 113 (55.9) | 24 (11.1) | 0 (0.0) | P < 0.001 | |
II | 71 (35.1) | 160 (74.1) | 114 (59.4) | ||
III | 18 (8.9) | 32 (14.8) | 78 (40.6) | ||
Comorbidity | |||||
Hypertension | 42 (20.8) | 77 (35.6) | 95 (49.5) | P < 0.001 | |
Diabetes | 17 (8.4) | 30 (13.9) | 43 (22.4) | P < 0.001 | |
Myocardial infarction | 10 (5.0) | 20 (9.3) | 25 (13.0) | 0.020 | |
Cerebral infarction | 1 (0.5) | 11 (5.1) | 19 (9.9) | P < 0.001 | |
Renal disease | 5 (2.5) | 8 (3.7) | 15 (7.8) | 0.030 | |
Liver disease | 4 (2.0) | 9 (4.2) | 12 (6.3) | 0.102 | |
all | 68 (33.7) | 142 (65.7) | 148 (77.1) | P < 0.001 | |
Baseline SBP | 132.2 ± 13.6 | 133.0 ± 17.5 | 137.2 ± 17.9 | 0.005 | |
Baseline DBP | 75.0 ± 6.8 | 75.9 ± 7.6 | 79.0 ± 7.2 | P < 0.001 | |
Baseline HR | 75.2 ± 7.1 | 73.1 ± 7.2 | 76.3 ± 5.4 | P < 0.001 | |
Baseline SpO2 | 97.6 ± 1.1 | 97.7 ± 1.0 | 97.2 ± 1.2 | P < 0.001 | |
Baseline BIS | 92.9 ± 1.8 | 93.2 ± 1.7 | 92.6 ± 1.8 | 0.004 |