Table 3.
Risk Assessment Scale of Pulmonary Complications After Minimally Invasive Surgery for Elderly Patients with VCFs
| Stage | Items | Grading Rules and Scores | Score | ||
|---|---|---|---|---|---|
| 1 | 2 | 3 | |||
| Preoperative assessment | 1. Age (years) | 65–74 | 75–84 | ≥ 85 | |
| 2. BMI | 18–23 | 24–29 | ≥ 30, < 18 | ||
| 3. Smoking duration (years) | < 10 | 11–20 | ≥ 21 | ||
| 4.1 Combined diseases (number) | 1 | 2 | ≥ 3 | ||
| 4.2 Chronic pulmonary diseases | Yes | ||||
| 5. Duration of VCFs (days) | ≤ 7 | 8–20 | ≥ 21 | ||
| 6. Bed rest duration (days) | ≤ 7 | 8–20 | ≥ 21 | ||
| Preoperative assessment scores | |||||
| Postoperative assessment | 7. Preoperative LOS | 1 | 2 | ≥ 3 | |
| 8. Type of anesthesia | Local | Spinal | General | ||
| 9. Duration of operation (minutes) | > 30 | > 60 | > 90 | ||
| Total scores | |||||
Abbreviations: BMI, body mass index; Combined diseases, diabetes mellitus, chronic cardiovascular and cerebrovascular diseases; LOS, length of stay.