Table 3 Preoperative characteristics of surgery patients
From: Risk factors for early postoperative cognitive dysfunction after colorectal surgery
non-POCD (n = 58) | POCD (n = 19) | P-value | |
|---|---|---|---|
Age (mean ± SD, years) | 69.30 ± 4.60 | 73.30 ± 4.80 | 0.046 |
Gender (male/female) | 32/26 | 10/9 | 0.657 |
BMI (mean ± SD) | 23.70 ± 2.04 | 22.30 ± 2.15 | 0.057 |
Education level (mean ± SD, years) | 7.80 ± 2.60 | 5.80 ± 2.30 | 0.003 |
ASA classification (II/III) | 55/3 | 11/8 | 0.000 |
Tumor location | |||
Proximal colon | 15 | 4 | |
Distal colon | 37 | 12 | 0.787 |
Rectum | 6 | 3 | |
TNM stage | |||
Stage I | 13 | 1 | |
Stage II | 23 | 6 | 0.099 |
Stage III | 22 | 12 | |
Stage IV | 0 | 0 | |
Hypertension, n (%) | 18 | 9 | 0.691 |
Diabetes mellitus, n (%) | 1 (2) | 7 (37) | 0.001 |
History of surgery, n (%) | 9 (16) | 7 (37) | 0.048 |
Hb preoperatively (g/L) | 129.70 ± 18.40 | 122.70 ± 21.70 | 0.221 |
Hct preoperatively (%) | 38.90 ± 4.70 | 37.40 ± 5.90 | 0.346 |
TP preoperatively (g/L) | 66.20 ± 5.60 | 63.70 ± 9.40 | 0.299 |
Alb preoperatively (g/L) | 38.30 ± 5.60 | 38.60 ± 5.30 | 0.837 |