Table 1.
Comparison of baseline data between EDA group and control group of elderly patients with hip replacement.
| Items | EDA (n = 77) | CON (n = 75) | Statistics | P |
| Gender (M/F) | 38/39 | 32/38 | 0.19∗ | 0.695 |
| Age (years) | 73.6 ± 5.8 | 72.3 ± 5.6 | 2.90† | 0.439 |
| Ratio of ASA classification (II/III) | 51/26 | 53/22 | 0.35∗ | 0.557 |
| BMI (kg/m2) | 22.6 ± 1.3 | 22.9 ± 1.6 | 0.35 | 0.826 |
| Pre-operative MoCA score | 28.7 ± 1.8 | 28.5 ± 1.7 | 3.90 | 0.889 |
| Educational level | ||||
| <8 years | 56 (72.7) | 53 (70.7) | 1.53∗ | 0.216 |
| ≥8 years | 21 (27.3) | 22 (29.3) | 6.34∗ | 0.432 |
| Anesthesia time (min) | 108 ± 13 | 106 ± 16 | 3.8† | 0.878 |
| Surgery time (min) | 93 ± 11 | 96 ± 10 | 3.1† | 0.813 |
| Intra-operative blood loss (mL) | 108 ± 23 | 106 ± 21 | 2.9† | 0.862 |
| Hospital stay (days) | 11.3 ± 2.8 | 16.3 ± 3.3 | −2.1† | 0.023 |
| Disease history | ||||
| Hypertension | 27 (35) | 24 (33) | 1.07∗ | 0.302 |
| Heart diseases | 18 (23) | 19 (26) | 0.28∗ | 0.599 |
| DM | 20 (27) | 17 (23) | 0.15∗ | 0.703 |
Data were presented as n, n (%), mean ± SD. ∗χ2 value. †t-value. ASA: American Society of Anesthesiologists; BMI: Body mass index; CON: Group control; DM: Diabetes mellitus; EDA: Group edaravone; F: Female; M: Man; MoCA: Montreal cognitive assessment; SD: Standard deviation.