Table 1 Comparison of preoperative information between two groups
Test group (n = 44) | Control group (n = 44) | test value | P value | |
|---|---|---|---|---|
Age (years) | 77.6 ± 7.3 | 76.6 ± 6.1 | 0.699 | 0.487 |
Sex (male/female) | 18/26 | 16/28 | 0.192 | 0.661 |
Height (cm) | 165.3 ± 5.0 | 165.0 ± 5.2 | 0.230 | 0.819 |
Body weight (kg) | 59.8 ± 6.1 | 58.0 ± 6.2 | 1.419 | 0.159 |
BMI | 21.9 ± 1.9 | 21.2 ± 1.5 | 1.772 | 0.080 |
Time from admission to operation (hours) | 34.5 [26.0–40.75] | 34.5 [28.25–44.75] | 867.500 | 0.401 |
Level of education | 0.090 | 0.764 | ||
< Elementary school | 0 | 0 | ||
Elementary school | 6 | 7 | ||
≥ Secondary school | 38 | 37 | ||
MMSE | 27.00 [25.00–29.75] | 27.00 [25.00–28.75] | 858.500 | 0.355 |