Table 3 Characteristics of eligible patients before and after overlap weighting
| Â | Before overlap weighting | After overlap weighting | |||||
|---|---|---|---|---|---|---|---|
Variable | Category | General anesthesia | Using intravenous sedation only | ASD | General anesthesia | Using intravenous sedation only | ASD |
Age | 1–5 years | 30.8% | 16.2% | 34.8% | 26.7% | 26.7% | 0.0% |
6–11 years | 53.2% | 47.6% | 11.2% | 54.5% | 54.5% | 0.0% | |
12–15 years | 16.1% | 36.2% | 47.0% | 18.8% | 18.8% | 0.0% | |
Sex | Male | 59.0% | 56.0% | 4.7% | 58.0% | 58.0% | 0.0% |
Body mass index | Underweight | 8.0% | 9.9% | 6.8% | 8.3% | 8.3% | 0.0% |
Normal | 73.8% | 75.0% | 2.7% | 74.0% | 74.0% | 0.0% | |
Overweight | 18.2% | 15.1% | 8.4% | 17.7% | 17.7% | 0.0% | |
Kidney disease | Nephritis | 62.3% | 65.2% | 6.1% | 63.0% | 63.0% | 0.0% |
Nephrotic syndrome | 37.7% | 34.8% | 6.1% | 37.0% | 37.0% | 0.0% | |
Comorbidity | Kidney failure | 1.0% | 1.0% | 1.3% | 1.0% | 1.0% | 0.0% |
Acute kidney injury/acute or rapidly progressive disease | 1.0% | 2.0% | 1.1% | 1.0% | 1.0% | 0.0% | |
Comorbid anemia on admission | 2.0% | 1.0% | 8.0% | 1.0% | 1.0% | 0.0% | |
Coagulation disorders on admission | 1.0% | 1.0% | 2.9% | 1.0% | 1.0% | 0.0% | |
Metabolic disease | 6.0% | 6.0% | 1.1% | 6.0% | 6.0% | 0.0% | |
Mental disease | 2.0% | 1.0% | 4.1% | 1.0% | 1.0% | 0.0% | |
Neurological disease | 1.0% | 1.0% | 5.9% | 1.0% | 1.0% | 0.0% | |
Cardiovascular disease | 18.0% | 15.0% | 10.0% | 17.0% | 17.0% | 0.0% | |
Respiratory disease | 12.0% | 9.0% | 10.1% | 11.0% | 11.0% | 0.0% | |
Musculoskeletal disease | 6.0% | 7.0% | 5.0% | 6.0% | 6.0% | 0.0% | |
Congenital disease | 1.0% | 1.0% | 3.1% | 1.0% | 1.0% | 0.0% | |
Use of corticosteroids | 12.0% | 10.0% | 4.1% | 11.0% | 11.0% | 0.0% | |
Use of immunosuppressants | 12.0% | 13.0% | 1.2% | 12.0% | 12.0% | 0.0% | |
Use of antiplatelet or anticoagulants | 1.0% | 2.0% | 8.3% | 1.0% | 1.0% | 0.0% | |
Use of tranexamic acid | 45.0% | 41.0% | 9.9% | 44.0% | 44.0% | 0.0% | |
Use of albumin infusion | 1.0% | 1.0% | 1.1% | 1.0% | 1.0% | 0.0% | |
Hospital volume (cases/year) | 1–5 | 42.2% | 30.2% | 25.2% | 39.9% | 39.9% | 0.0% |
6–12 | 34.0% | 33.4% | 1.2% | 34.4% | 34.4% | 0.0% | |
13– | 23.8% | 36.4% | 27.7% | 25.8% | 25.8% | 0.0% | |
Academic hospital admission | 42.0% | 44.0% | 5.3% | 42.0% | 42.0% | 0.0% | |
History of biopsy at the same hospital | 12.0% | 14.0% | 6.3% | 12.0% | 12.0% | 0.0% | |
Fiscal year | 2010 | 5.1% | 7.4% | 9.5% | 5.3% | 5.3% | 0.0% |
2011 | 6.3% | 8.7% | 9.1% | 6.5% | 6.5% | 0.0% | |
2012 | 11.1% | 11.7% | 1.9% | 11.2% | 11.2% | 0.0% | |
2013 | 12.1% | 12.9% | 2.3% | 12.1% | 12.1% | 0.0% | |
2014 | 14.9% | 14.6% | 0.6% | 15.0% | 15.0% | 0.0% | |
2015 | 14.7% | 15.2% | 1.5% | 14.8% | 14.8% | 0.0% | |
2016 | 16.3% | 14.8% | 4.3% | 16.3% | 16.3% | 0.0% | |
2017 | 19.6% | 14.8% | 12.7% | 18.8% | 18.8% | 0.0% | |