Table 4 Variate analysis of the factors influencing diagnostic yield
Variables | Correct diagnosis (n = 81) | Wrong Diagnosis (n = 11) | Univariate analysis | Multivariate analysis | ||
|---|---|---|---|---|---|---|
P value | OR | 95%CI | P value | |||
Age[\( \overline{\mathrm{x}} \) ±s (range)](year) | 51.3 ± 10.8 | 53.1 ± 11.0 | 0.614 | 1.039 | 0.96–1.124 | 0.344 |
Nodal size, mm | 0.322 | 0.333 | 0.073–1.510 | 0.154 | ||
> 15 mm | 52 | 5 | ||||
≤ 15 mm | 29 | 6 | ||||
Nodal number | 0.353 | – | – | – | ||
multiple | 68 | 11 | ||||
solitary | 13 | 0 | ||||
Nodal location | 0.553 | 0.106–2.877 | 0.481 | |||
Right Paraaortic | 49 | 5 | 0.352 | |||
Left Paraaortic | 32 | 6 | ||||
Needle gauge | 0.182 | 1.090 | 0.235–5.049 | 0.913 | ||
≤ 21G | 26 | 6 | ||||
≥ 22G | 55 | 5 | ||||
Body mass index (BMI) | 0.446 | 0.187 | 0.015–2.392 | 0.197 | ||
≤ 24 | 61 | 10 | ||||
> 24 | 20 | 1 | ||||
Cell block | 0.498 | 1.470 | 0.212–10.20 | 0.697 | ||
Yes | 26 | 5 | ||||
No | 55 | 6 | ||||
Nature of lymph node | 0.589 | – | – | – | ||
Malignant | 73 | 11 | ||||
Benign | 8 | 0 | ||||
Experience (years) | 0.008 | 0.077 | 0.007–0.793 | 0.031 | ||
≤ 5 | 37 | 10 | ||||
> 5 | 44 | 1 | ||||
Period | 0.197 | 2.501 | 0.372–16.83 | 0.346 | ||
2010–2015 | 43 | 3 | ||||
2016–2018 | 38 | 8 | ||||