Table 4 Cutoff points, sensitivity, and specificity of parameters related to the Parenchymal thickness index
Parameter | Cutoff point | Sensitivity | Specificity | Area under curve | 95% Confidence interval | |
|---|---|---|---|---|---|---|
Minimum | Maximum | |||||
Parenchymal thickness after surgery before Lasix administration | 5.25 | 41.7 | 15.5 | 0.152 | 0.054 | 0.249 |
Parenchymal thickness after surgery in the 18th minute | 5.25 | 41.7 | 15.5 | 0.149 | 0.051 | 0.248 |
Parenchymal thickness after surgery in the 30th minute | 5.25 | 41.7 | 15.5 | 0.150 | 0.052 | 0.248 |
The difference in parenchymal thickness in the 18th minute | − 0.125 | 75.0 | 17.2 | 0.429 | 0.266 | 0.592 |
The difference in parenchymal thickness in the 30th minute | − 0.250 | 83.3 | 20.7 | 0.501 | 0.339 | 0.664 |