Table 2 Clinical, surgical, and demographic characteristics of the dNCR and non-dNCR groups
|  | dNCR Group (n = 40) | non- dNCR Group (n = 156) | P value |
|---|---|---|---|
Demographics | |||
 Age, year | 70.20 (7.74) | 67.51 (5.74) | 0.020* |
 Female sex, n (%) | 14 (35.00) | 52 (33.33) | 0.843 |
 Height, cm | 164.75 (6.64) | 165.29 (7.61) | 0.563 |
 Weight, mean (SD), kg | 66.51 (9.54) | 66.44 (10.54) | 0.703 |
 BMI, mean (SD), kg∙m−2 | 24.56 (3.55) | 24.28 (3.34) | 0.696 |
 Education, year | 7.73 (3.84) | 8.30 (3.90) | 0.395 |
 Follow-up, day | 7 (2) | 7 (2) | 0.220 |
 MMSE, score | 25.63 (2.91) | 26.45 (2.87) | 0.081 |
 Hb, g/l | 130.25 (15.64) | 130.46 (17.49) | 0.657 |
Previous history, n (%) | |||
 Hypertension | 17(42.50) | 66 (42.31) | 0.983 |
 Diabetes mellitus | 7 (17.50) | 18 (11.54) | 0.315 |
 Coronary disease | 2 (5.00) | 23 (14.74) | 0.100 |
 Stroke | 6 (15.00) | 15 (9.62) | 0.327 |
 Smoking | 6 (15.00) | 33 (21.15) | 0.386 |
 Alcohol drinking | 3 (10.00) | 19 (12.18) | 0.404 |
Type of surgery, n (%) | Â | Â | 0.788 |
 Urinary surgery | 14 (35.00) | 65 (41.67) |  |
 Gastrointestinal Surgery | 12 (30.00) | 56 (35.90) |  |
 Osteoarticular surgery | 13 (32.50) | 34 (21.79) |  |
 Lung surgery | 1 (2.50) | 1 (0.64) |  |
 Total fluid administration, ml | 2220.00 (839.70) | 2154.01 (565.00) | 0.648 |
 Blood loss, ml | 209.50 (389.06) | 194.81 (186.26) | 0.435 |
 Duration of anesthesia, min | 211.63 (69.85) | 197.92 (71.86) | 0.283 |
 Duration of surgery, min | 176.62 (67.38) | 167.80 (67.55) | 0.335 |
 LTLs | 1.1446 (0.1992) | 0.9286 (0.2725) |  < 0.001** |