| |
Pathology
|
Sensitivity
|
Specificity
|
NPV
|
PPV
|
Accuracy
|
|---|
|
+
|
–
|
|---|
|
IU
|
+
|
10
|
15
|
71.4%
|
67.4%
|
88.57%
|
40.00%
|
68.3%
|
| |
–
|
4
|
31
|
95%CI = 41.9%~ 91.6%
|
95%CI = 51.1%~ 80.0%
| |
|
CT
|
+
|
2
|
1
|
14.3%
|
97.8%
|
78.95%
|
66.67%
|
78.3%
|
| |
–
|
12
|
45
|
95%CI = 51.1%~ 80.0%
|
95%CI = 82.8%~ 99.9%
| |
|
EUS
|
+
|
3
|
2
|
30.0%
|
95.0%
|
84.44%
|
60.00%
|
82%
|
| |
–
|
7
|
38
|
95%CI = 6.7%~ 65.2%
|
95%CI = 83.8%~ 99.4%
| |
- Abbreviations: CI Confidence interval, CT Computed tomography, EUS Endoscopic ultrasonography, IU Intraoperative ultrasonography, NPV Negative predictive value, PPV Positive predictive value, RLN Recurrent laryngeal nerve
- For diagnosis of right RLN lymph nodes. The sensitivity had statistically significant difference (χ2 = 10.077, P = 0.006)
- For diagnosis of right RLN lymph nodes. The specificity had statistically significant difference. (χ2 = 21.725, P < 0.001)
- For diagnosis of right RLN lymph nodes. The NPV had no statistically significant difference (χ2 = 1.511, P = 0.470)
- For diagnosis of right RLN lymph nodes. The PPV had no statistically significant difference (χ2 = 1.271, P = 0.530)
- For diagnosis of right RLN lymph nodes. The diagnostic accuracy had no statistically significant difference(χ2 = 3.088, P = 0.214)
