Table 2 Lymph node status of the non-bursectomy group and the bursectomy group
Characteristics | Non-bursectomy group | Bursectomy group | p value |
|---|---|---|---|
N = 247 (%) | N = 159 (%) | ||
T stage | Â | Â | 0.136 |
 T2 | 48 (19.4) | 20 (12.6) |  |
 T3 | 45 (18.2) | 37 (23.3) |  |
 T4 | 154 (62.3) | 102 (64.2) |  |
N stage | Â | Â | 0.593 |
 N0 | 60 (24.3) | 38 (23.9) |  |
 N1 | 51 (20.6) | 25 (15.7) |  |
 N2 | 43 (17.4) | 28 (17.6) |  |
 N3 | 93 (37.7) | 68 (42.8) |  |
TNM stage | Â | Â | 0.724 |
 Ib | 17 (6.9) | 8 (5.0) |  |
 IIa | 24 (9.7) | 16 (10.1) |  |
 IIb | 45 (18.2) | 30 (18.9) |  |
 IIIa | 47 (19.0) | 22 (13.8) |  |
 IIIb | 42 (17.0) | 30 (18.9) |  |
 IIIc | 72 (29.1) | 53 (33.3) |  |
No.4D LNs | Â | Â | Â |
 Number of positive | 0.7 ± 1.3 | 0.8 ± 1.8 | 0.675 |
 Number of examined | 3.7 ± 2.7 | 4.9 ± 4.0 | 0.001 |
No.4SB LNs | Â | Â | Â |
 Number of positive | 0.1 ± 0.5 | 0.1 ± 0.8 | 0.617 |
 Number of examined | 1.7 ± 2.2 | 1.6 ± 2.3 | 0.743 |
No.6 LNs | Â | Â | Â |
 Number of positive | 1.2 ± 2.0 | 0.9 ± 1.7 | 0.158 |
 Number of examined | 4.4 ± 3.4 | 4.8 ± 3.8 | 0.362 |
Total | Â | Â | Â |
 Number of positive | 5.9 ± 6.4 | 7.5 ± 8.7 | 0.045 |
 Number of examined | 25.4 ± 9.9 | 40.6 ± 17.5 | <0.001 |