Table 1.
Comparison of baseline characteristics between patients with no POD and POD groups
| no POD group (598) | POD group (182) | OR(95%CI) | P* | |
|---|---|---|---|---|
| Age, y (Mean SD) | 73.28 ± 7.44 | 75.77 ± 8.57 | < 0.001 | |
| Female, n(%) | 302 (53.40) | 99 (46.39) | 1.17 (0.84–1.63) | 0.357 |
| Male, n(%) | 296 (46.60) | 83 (53.61) | 1.17 (0.84–1.63) | 0.357 |
| BMI ≥ 24 kg/m, n(%) | 181 (28.40) | 51 (31.96) | 0.90 (0.62–1.30) | 0.562 |
| Current Smoking, n(%) | 168 (25.24) | 46 (30.41) | 0.87 (0.59–1.27) | 0.455 |
| Hypertension, n(%) | 404 (66.26) | 123 (60.82) | 1.00 (0.70–1.43) | 0.995 |
| Diabetes, n(%) | 201 (33.61) | 79 (43.41) | 1.52 (1.08–2.13) | 0.016 |
| Hyperlipidemia, n(%) | 364 (57.52) | 104 (50.00) | 0.86 (0.61–1. 20) | 0.369 |
| Duration of fracture, d (Mean SD) | 10.29 ± 11.09 | 9.23 ± 10.19 | 0.302 | |
| Admission to operation duration, h (Mean SD) | 61.14 ± 21.59 | 59.14 ± 21.16 | 0.283 | |
| Surgery duration, (Mean SD) | 79.87 ± 18.03 | 82.56 ± 18.14 | 0.077 | |
| Anesthesia duration, h (Mean SD) | 99.53 ± 18.41 | 102.23 ± 18.15 | 0.088 | |
| Barthel score, (Mean SD) | 87.475 ± 12.20 | 88.90 ± 12.32 | 0.167 | |
| MMSE score, (Mean SD) | 27.63 ± 1.75 | 27.36 ± 1.73 | 0.068 | |
| Neutrophil count (×109/L), (Mean SD) | 3.77 ± 2.29 | 6.67 ± 3.55 | < 0.001 | |
| Lymphocyte count (× 109/L), (Mean SD) | 1.40 ± 0.51 | 1.40 ± 0.58 | 0.917 | |
| CRP (mg/L), (Mean SD) | 1.35 ± 0.50 | 1.38 ± 0.54 | 0.596 | |
| Glucose (mg/dL), (Mean SD) | 136.99 ± 22.54 | 138.97 ± 22.72 | 0.402 | |
| NLR value, (Mean SD) | 2.68 ± 1.26 | 4.67 ± 1.62 | < 0.001 | |
| NLR ≥ 3.50, n(%) | 156 (26.09) | 136 (74.73) | 8.38 (5.72–12.26) | < 0.001 |
Bold indicates P-values less than 0.05
*Comparison between no POD and POD groups. The data are presented as numbers (%) or mean values (±standard deviation). The Pearson χ2 test was used for categorical variables. Student’s t-test was used to compare normally distributed variables. Mann-Whitney U tests were used to compare nonnormally distributed variables