Table 1.
Demographic data and clinical characteristics of study population
| Patients included in the meta-analysis (n) | Age (years) | Women (%) | Extent of surgery | First RAI treatment activity (GBq) | Follow-up (years) | Risk classification | Intermediate risk (n) | High risk (n) | |
|---|---|---|---|---|---|---|---|---|---|
| Caminha [14] | 152 | NA | NA | TT | 3.63 | 13.7 ± 4.1 | ATA | 120 | 32 |
| Han [15] | 176 | 50 ± 9 | 96 | TT | 3.07 | 1 | AJCC/TNM | 176 | − |
| Verburg [16] | 600 | NA | NA | TT | 5.10 | 10 | AJCC/TNM | − | 600 |
| Jeon [17] | 627 | NA | NA | TT | 5.58 | 8 | ATA | 578 | 49 |
| Rosario [18] | 180 | 48 | 80 | TT | 1.11–5.5 | 1 | ATA | 180 | − |
| Jeong [19] | 204 | 44 ± 12 | 92 | TT | 2.92 | 2 | ATA | 204 | − |
| Llamas-Olier [20] | 389 | 51 ± 11 | 93 | TT | 3.99 | 1 | ATA | 389 | − |
| Avram [21] | 350 | 46 ± 16 | 66 | TT | 3.88 | 3.3 ± 1.9 | ATA | 350 | |
| Kim [22] | 425 | NA | NA | TT | 3.99 | 2.3 | ATA | 292 | 133 |
Values are expressed as mean ± standard deviation or median or as number (percentage) of subject
TT total thyroidectomy, RAI radioactive iodine