Variable | No. of patients | No. of patients with positive SN (%) | P value |
---|---|---|---|
Center case load | |||
≤50 cases | 213 | 38 (17.8) | 0.5 |
>50 cases | 920 | 148 (16.1) | |
Length of scar (cm) | |||
≤3 | 766 | 119 (15.5) | 0.2 |
>3 | 367 | 67 (18.3) | |
No. of perilesional injections | |||
<3 | 617 | 87 (14.1) | 0.021 |
≥3 | 516 | 99 (19.2) | |
Total injected volume (mL) | |||
<0.5 | 860 | 136 (15.8) | 0.3 |
≥0.5 | 273 | 50 (18.3) | |
Radiotracer dose (MBq) | |||
<5 | 23 | 2 (8.7) | 0.6 |
≥5 and ≤15 | 314 | 49 (15.6) | |
>15 and <30 | 424 | 72 (17.0) | |
≥30 and ≤70 | 275 | 43 (15.6) | |
>70 | 97 | 20 (20.6) | |
Radiotracer concentration (MBq/mL) | Mean ± SD | ||
SN negative | 108.7 ± 114.7 | 0.5 | |
SN positive | 115.6 ± 150.9 |