Table 2.
Subgroup results for ARM feasibility.
| Stratification criterion | Number of studies | Pooled results (95%CI) | I2 | P - value for difference | |
|---|---|---|---|---|---|
| SLNB identification rate | Overall | 9 | 37%(31%–44%) | 83.5% | <0.05 |
| Mapping materials: | |||||
| - Blue dye | 5 | 39%(28%–50%)_ | 79.6% | <0.05 | |
| - Blue dye and fluorescence | 3 | 40%(28%–54%) | – | – | |
| - Blue dye and radioisotope | 1 | 29%(25%–34%) | – | – | |
| Geographical region: | |||||
| - Asia | 4 | 45%(32%–59%) | 89.3% | <0.05 | |
| - America | 4 | 33%(24%–42%) | 84.7% | <0.05 | |
| - Europe |
1 |
38%(26%–50%) |
– |
– |
|
| Stratification criterion | Number of studies | Pooled results (95%CI) | I2 | P - value for difference | |
| ALND identification rate | Overall | 27 | 82%(77%–87%) | 88% | <0.05 |
| Mapping materials: | |||||
| - Blue dye | 16 | 77%(71%–82%) | 69.1% | <0.05 | |
| - Fluorescence | 1 | 82%(73%–89%) | – | – | |
| - Radioisotope | 3 | 93%(71%–100%) | – | – | |
| - Blue dye and fluorescence | 3 | 87%(77%–95%) | – | – | |
| - Blue dye and radioisotope | 4 | 84%(71%–94%) | 90.5% | <0.05 | |
| Geographical region: | |||||
| - Asia | 9 | 87%(83%–92%) | 72.5% | <0.05 | |
| - America | 6 | 71%(62%–80%) | 73.5% | <0.05 | |
| - Europe | 10 | 83%(71%–93%) | 92.9% | <0.05 | |
| - Australia | 1 | 77%(67%–85%) | – | – | |
| - Africa | 1 | 83%(63%–95%) | – | – | |