Table 2.
Relationships between lymphoscintigraphic findings and volume change
| Qualitative lymphoscintigraphic indicators | Volume difference ratio at 3 months | Volume difference ratio at 1 year | |||||
|---|---|---|---|---|---|---|---|
| N | Mean rank | p-value | N | Mean rank | p-value | ||
| Inguinal LN uptake | Absent | 7 | 8.71 | N-S | 7 | 9.71 | N-S |
| Present | 10 | 9.20 | 10 | 8.50 | |||
| Main lymphatic vessel | Absent | 13 | 10.23 | N-S | 13 | 9.46 | N-S |
| Present | 4 | 5.00 | 4 | 7.50 | |||
| Collateral vessel | Absent | 15 | 9.13 | N-S | 15 | 9.60 | N-S |
| Present | 2 | 8.00 | 2 | 4.50 | |||
| Dermal backflow (Pattern 1) | Absent | 5 | 6.80 | N-S | 5 | 5.60 | N-S |
| Present | 12 | 9.92 | 12 | 10.42 | |||
| Dermal backflow (Pattern 2) | Absent OR distal only | 12 | 8.08 | N-S | 12 | 8.42 | N-S |
| Proximal only OR whole lower limb | 5 | 11.20 | 5 | 10.40 | |||
| Dermal backflow (Pattern 3) | Absent OR proximal only | 7 | 6.71 | N-S | 7 | 5.29 | 0.010* |
| Distal only OR whole lower limb | 10 | 10.60 | 10 | 11.60 | |||
| Dermal backflow (Pattern 4) | Absent OR distal only OR proximal only | 14 | 7.86 | 0.047* | 14 | 7.86 | 0.047* |
| Whole lower limb | 3 | 14.33 | 3 | 14.33 | |||
| Quantitative lymphoscintigraphic indicators | Volume difference ratio at 3 months | Volume difference ratio at 1 year | ||
|---|---|---|---|---|
| Correlation coefficient (Spearman’s rho) | p value | Correlation coefficient (Spearman’s rho) | p-value | |
| 1 h LN uptake ratio | − 0.007 | N-S | 0.020 | N-S |
| 1 h Extremity uptake ratio | 0.431 | N-S | 0.456 | N-S |
| 1 h Injection site clearance ratio | − 0.336 | N-S | -0.130 | N-S |
| 2 h LN uptake ratio | 0.007 | N-S | 0.044 | N-S |
| 2 h Extremity uptake ratio | 0.574 | 0.016* | 0.723 | 0.001* |
| 2 h Injection site clearance ratio | − 0.034 | N-S | 0.066 | N-S |
*Statistically significant; N-S, not statistically significant