Table 2.
Preoperative total parenteral nutrition in malnourished patients
| Group 1 | Group 2 | P | |
| Patient number | 2 | 3 | |
| Diagnosis (colon/rectal cancer) | 2/0 | 1/2 | |
| Gender (male/female) | 2/0 | 1/2 | 0.219 |
| Tumor stage | 1 | 2 | |
| Preoperative albumin (g/L) | 36.30 ± 5.65 | 32.83 ± 9.00 | 0.669 |
| Preoperative potassium (mmol/L) | 4.53 ± 0.36 | 3.75 ± 0.92 | 0.352 |
| Preoperative sodium (mmol/L) | 138.45 ± 2.05 | 142.13 ± 3.40 | 0.274 |
| Postoperative EN | 2 | 0 | |
| Postoperative TPN | 2 | 2 | |
| Postoperative TPN duration (d) | 7.00 ± 1.41 | 3.66 ± 3.2 | 0.276 |
| POD1a serum glucose (mmol/L) | 6.91 ± 1.11 | 9.05 ± 3.65 | 0.498 |
| POD1 albumin (g/L) | 27.80 ± 3.11 | 26.13 ± 3.19 | 0.605 |
| POD1 potassium (mmol/L) | 4.49 ± 0.36 | 4.45 ± 0.78 | 0.953 |
| POD1 sodium (mmol/L) | 135.8 ± 3.11 | 137.66 ± 2.51 | 0.508 |
| POD5a serum glucose (mmol/L) | 6.29 ± 0.24 | 6.39 ± 2.88 | 0.968 |
| POD5 albumin (g/L) | 28.65 ± 5.16 | 32.33 ± 4.67 | 0.466 |
| POD5 potassium (mmol/L) | 4.67 ± 0.11 | 4.42 ± 0.12 | 0.115 |
| POD5 sodium (mmol/L) | 135.95 ± 1.34 | 135.93 ± 2.72 | 0.994 |
| Complications | 0.445 | ||
| Postoperative hospital stay(d) | 10.50 ± 4.94 | 13.00 ± 2.64 | 0.500 |
| Cost of hospitalization (RMB) | 62713.50 ± 5070.66 | 43178.00 ± 3596.68 | 0.014 |
| Postoperative outcome | 0.495 |
a
POD1: Postoperative day 1; POD5: Postoperative day 5; EN: Enteral nutrition; TPN: Total parenteral nutrition.