Table 1.
An overview of the characteristics of the right and left sided mediastinal lymph node stations
| Lymph node stations | Excluded (false lymph node) (%) p | Node presence rate (%) P | Weight of LN (gr) Median (min-max) p*** | Longest diameter (mm) Median (min-max) p*** | Number of LN Median (min-max) p*** |
|---|---|---|---|---|---|
| 2R-2L |
11.3 – 6.5 n.s.* |
80.6 – 56.6 0,004* |
0,21 (0,02 - 3,26) 0,17 (0,01 - 1,16) n.s. |
10 (4–30) 9 (3–20) 0,032 |
2 (1-7) 2 (1–9) n.s. |
| 4R-4L |
0 – 8.1 n.s.** |
98.4- 87.1 0,032** |
1,08 (0,07 - 12,36) 0,36 (0,03 - 2,11) 0,000 |
18 (5–44) 12 ( 4–31) 0,000 |
4 (1–10) 2 (1–11) 0,000 |
| 3A-3P |
1.6-0 n.s.** |
45.2 – 14.5 0,000* |
0,21 (0,05 - 2,60) 0,11 (0,02 - 0,96) n.s. |
10 (6–23) 6 (4–24) n.s. |
1 (1–5) 1 (1–5) n.s. |
| 5 |
1.6 |
83.9 |
0,50 (0,07 - 2,48) |
13 (6–30) |
3 (1–7) |
| 6 |
16.1 |
64.5 |
0,30 (0,01 - 5,19) |
10 (3–32) |
3 (1–8) |
| 7 |
0 |
100 |
2,12 (0,16 - 8,68) |
27 (9–62) |
4 (1–18) |
| 8R-8L |
16.1 – 9.7 n.s.* |
59.7 – 77.4 0,003* |
0,24 (0,03 - 3,40) 0,28 (0,04 - 35,0) n.s. |
11 (4–29) 12 (2–26) n.s. |
2 (1–5) 2 (1–6) n.s. |
| 9R-9L | 19.4-8.1 n.s.* | 50-75.8 0,003* | 0,19 (0,04 - 2,0) 0,25 (0,04 - 2,05) n.s. | 9 (4–29) 12 (5–31) n.s. | 2 (1–8) 2 (1–5) n.s |
The heaviest, longest diameter and highest number zones are stations 4R and 7.
*Pearson Chi-Square Test, **Fisher’s Exact Test, *** İndependent samples T test, R: right, L: left, LN: Lymph node.