TABLE 5.
Basic information of NPOCD and POCD groups.
| Characteristics of patients | NPOCD group (n = 50) | POCD group (n = 22) | t/χ2-value | P-value |
| Gender (male/female) | 29/21 | 14/8 | 0.035 | 0.851 |
| Age (years) | 68.86 ± 4.52 | 76.36 ± 5.72 | 5.971 | < 0.001 |
| Years of education (years) | 7.04 ± 2.81 | 5.36 ± 2.32 | 2.449 | 0.017 |
| BMI (kg⋅m–2) | 24.00 ± 2.88 | 24.99 ± 3.11 | 1.312 | 0.194 |
| ASA (I/II/III) | 18/23/9 | 2/5/15 | 14.726 | < 0.001 |
| Anesthesia time (min) | 217.90 ± 37.93 | 222.27 ± 35.98 | 0.458 | 0.649 |
| Surgical time (min) | 189.60 ± 36.01 | 191.41 ± 31.42 | 0.204 | 0.839 |
| Intraoperative blood loss (ml) | 228.80 ± 81.68 | 296.59 ± 85.71 | 3.196 | 0.002 |
| Intraoperative fluid volume (ml) | 1579.00 ± 340.25 | 1488.64 ± 253.51 | 1.115 | 0.269 |
| VAS scores at postoperative 3 day | 1.88 ± 0.79 | 4.14 ± 0.92 | 10.45 | < 0.001 |