Table 2.
The results of patients’ preoperative laboratory examination and postoperative VAS score
| Items | Delirium group(n = 82) | Non-delirium group(n = 486) | t/χ2 | p |
|---|---|---|---|---|
| Albumin(g/L) | 37.25 ± 5.18 | 43.39 ± 4.96 | 8.098 | 0.035 |
| Hemoglobin(g/L) | 121.04 ± 14.37 | 121.18 ± 15.20 | 6.495 | 0.095 |
| Blood sugar(mmol/L) | 7.73 ± 1.29 | 7.69 ± 1.03 | 1.145 | 0.110 |
| Creatinine(µmol/L) | 77.29 ± 9.06 | 75.13 ± 9.15 | 8.440 | 0.127 |
| Urea nitrogen(mmol/L) | 7.80 ± 1.28 | 7.59 ± 1.17 | 1.096 | 0.093 |
| T3(mU/L) | 1.32 ± 0.11 | 1.33 ± 0.15 | 1.030 | 0.298 |
| T4(mU/L) | 95.18 ± 17.35 | 97.42 ± 16.55 | 9.194 | 0.166 |
| TSH(mU/L) | 1.65 ± 0.28 | 2.68 ± 0.77 | 0.926 | 0.032 |
| FT3(mU/L) | 3.01 ± 0.65 | 3.31 ± 0.64 | 1.118 | 0.057 |
| FT4(mU/L) | 16.39 ± 2.75 | 16.25 ± 2.18 | 1.093 | 0.056 |
| PaO2(mmHg) | 83.32 ± 19.06 | 84.18 ± 17.06 | 5.275 | 0.102 |
| PaCO2(mmHg) | 32.48 ± 3.18 | 33.24 ± 4.10 | 2.184 | 0.063 |
| VAS on the first postoperative day | ||||
| Resting | 2.01 ± 0.84 | 0.97 ± 0.41 | 1.106 | 0.032 |
| Motion | 4.28 ± 1.13 | 3.95 ± 1.02 | 1.081 | 0.084 |
| VAS on the second postoperative day | ||||
| Resting | 0.79 ± 0.27 | 0.69 ± 0.38 | 1.194 | 0.198 |
| Motion | 2.87 ± 0.95 | 2.85 ± 0.88 | 1.056 | 0.085 |
Notes: PaO2 partial pressure of oxygen; PaCO2 partial pressure of carbon dioxide; T4 total thyroxine; T3 triiodothyronine; FT4 free thyroxine; FT3 free triiodothyronine; VAS visual analog score; TSH thyroid stimulating hormone