Table 1.
Characteristics of subjects.
| Subjects | Male/Female (%) | Total |
|---|---|---|
| Number of subjects (%) | 4,081 (47.6)/4,499 (52.4) | 8,580 (100) |
| Median age (year, range) | 49 (13 to 88)/53 (13 to 98) | 53 (13 to 98) |
| Number of BVA treatments (%) | 28,626 (47.6)/32,028 (52.4) | 60,654 (100) |
| Mean N. of BVA treatments | 7.0 ± 11.8/7.1 ± 17.1 | 7.1 ± 14.8 |
| Main complains (ICD-10) | N. of subjects (%) | |
| M00-M99: Diseases of the musculoskeletal system and connective tissue | 4,724 (50.2) | |
| S00-T98: Injury, poisoning and certain other consequences of external causes | 4,027 (42.8) | |
| G00-G99: Diseases of the nervous system | 449 (4.8) | |
| R00-R99: Symptoms, signs and abnormal clinical and laboratory findings, NEC | 95 (1.0) | |
| Others | 110 (1.8) | |
| Total subjects* | 9,405 (100) | |
*Duplication was permitted to be counted in case one patient received BVA treatment as an inpatient and an outpatient. Therefore, this number is larger than number for analysis (8,580 subjects).