Table 2.
Univariate analysis of factors affecting prolonged hospital stay
| Factor | Delayed Group (n = 46) | Normal Group (n = 68) | χ2/t value | P value |
|---|---|---|---|---|
| Age (years) | 9.542 | 0.002 | ||
| ≥60 | 35 | 32 | ||
| <60 | 11 | 36 | ||
| Gender | 1.972 | 0.160 | ||
| Male | 23 | 43 | ||
| Female | 23 | 25 | ||
| Operative site | 0.466 | 0.494 | ||
| L4/5 | 18 | 31 | ||
| L5/S1 | 28 | 37 | ||
| BMI (kg/m2) | 0.409 | 0.522 | ||
| ≥25 | 14 | 17 | ||
| <25 | 32 | 51 | ||
| Smoking history | 0.280 | 0.596 | ||
| Present | 28 | 38 | ||
| Absent | 18 | 30 | ||
| Alcohol abuse history | 0.424 | 0.514 | ||
| Present | 5 | 5 | ||
| Absent | 41 | 63 | ||
| Diabetes history | 12.441 | 0.001 | ||
| Present | 14 | 4 | ||
| Absent | 32 | 64 | ||
| Hypertension history | 0.723 | 0.394 | ||
| Present | 9 | 18 | ||
| Absent | 37 | 50 | ||
| Nursing plan | 10.451 | 0.001 | ||
| Control group | 29 | 22 | ||
| Observation group | 17 | 46 | ||
| Systolic blood pressure (mmHg) | 111.54±14.24 | 110.51±15.45 | 0.359 | 0.719 |
| Diastolic blood pressure (mmHg) | 84.04±11.95 | 84.57±10.85 | 0.245 | 0.806 |
| Heart rate (beats/min) | 83.91±7.65 | 85.46±9.12 | 0.944 | 0.347 |
| Operation time (min) | 75.91±21.85 | 61.74±20.49 | 3.529 | 0.001 |
| Intraoperative blood loss (mL) | 93.39±10.83 | 86.9±10.62 | 3.179 | 0.002 |
| Treatment cost (RMB) | 37159.89±1096.22 | 36761.50±1055.96 | 1.946 | 0.054 |
| Time to get up (h) | 10.54±6.57 | 8.34±4.77 | 2.077 | 0.040 |
| Preoperative JOA score | 3.88±2.85 | 5.52±2.39 | 2.666 | 0.008 |
| Preoperative ODI | 75.35±15.12 | 73.76±17.06 | 0.508 | 0.612 |
| Preoperative MBI | 9.63±3.17 | 9.82±2.82 | 0.34 | 0.733 |
| Preoperative VAS score | 5.09±1.09 | 5.28±1.22 | 0.861 | 0.390 |
Note: BMI, Body Mass Index; JOA, Japanese Orthopaedic Association Score; ODI, Oswestry Disability Index; VAS, Visual Analog Scale; MBI, Modified Barthel Index.