Demographic parameters
| Group 1: complicated SVC (n=44) | Group 2: uncomplicated SVC (n=90) | P value | |
| Age (years)* | 3.5±3.9 | 3.7±4.0 | 0.787 |
| Age <1 year | 18 (40.9%) | 28 (31.1%) | 0.176 |
| Weight (kg)* | 15.4±4 | 17.0±12 | 0.468 |
| Weight <10 kg | 20 (45.4%) | 24 (26.6%) | 0.253 |
| With comorbidities | 42 (95.4%) | 74 (82.2%) | 0.027 |
| ASA class (I/II/III/IV) | 2/24/18/0 | 16/42/32/0 | 0.108 |
| Past of central venous catheterization | 20 (45.4%) | 42 (46.6%) | 0.521 |
| Emergency | 16 (36.3%) | 18 (20%) | 0.035 |
| Medical and surgical patients | 8 (18.1%) | 42 (45.6%) | <0.001 |
| Critically ill patients | 8 (18.1%) | 18 (20%) | 0.500 |
| Hematology/Oncology patients | 28 (63.6%) | 30 (33.3%) | 0.002 |
| Neutropenia (<1500/mm3) | 18 (40.9%) | 12 (13.3%) | <0.001 |
| Active infection and/or with fever | 31 (70.4%) | 71 (78.8%) | 0.227 |
| Hemoglobin concentration (g/dL)* | 88 | 94±17 | 0.092 |
| Hemoglobin <10 g/dL | 17 | 42 | 0.570 |
| Prothrombin ratio (%)* | 89.7±10 | 92±9 | 0.089 |
| Prothrombin ratio <70% | 0 | 0 | – |
| Platelets count (106/mm3)* | 139±89 | 232±92 | 0.001 |
| SVC indications | |||
| Difficult venous access | 16 (36.3%) | 58 (64.4%) | 0.067 |
| Parenteral nutrition | 2 (4.5%) | 2 (2.2%) | – |
| Perioeprative | 0 | 10 (11.1%) | – |
| Oncology | 26 (59%) | 20 (22.2%) | <0.001 |
*Data were presented with mean±SD.
ASA, American Society of Anesthesiologists; SVC, subclavian vein catheter.