Table 2 Sensitivity and specificity of BIS by 6 and 24 months for lymphoedema diagnosis (RAVI > 10% and sleeve application).
No lymphoedema (RAVI < 10%) | Lymphoedema (RAVI > 10%) | Total number | No clinical sleeve | Clinical sleeve | Total number | |
|---|---|---|---|---|---|---|
By 6 months | ||||||
BIS (<10) | 698 (82%) Specificity | 27 (31%) PPV | 725 | 690 (80%) | 34 (46%) | 724 |
BIS (≥10) | 153 (18%) NPV | 59 (69%) Sensitivity | 212 | 170 (20%) | 40 (54%) | 210 |
RAVI < 10% | – | – | – | 820 (94%) | 45 (60%) | 865 |
RAVI > 10% | – | – | – | 55 (6%) | 30 (40%) | 85 |
After 6 months up to 24 months | ||||||
BIS ( < 10) | 572 (79%) | 32 (32%) | 604 | 556 (80%) | 65 (49%) | 621 |
BIS ( ≥ 10) | 150 (21%) | 68 (68%) | 218 | 136 (20%) | 69 (51%) | 205 |
RAVI < 10% | – | – | – | 667 (94%) | 86 (61%) | 753 |
RAVI > 10% | – | – | – | 39 (6%) | 55 (39%) | 94 |
