Table 2 Frequency distribution of total lymph nodes examined by stage
Stage | n | Total No. of Lymph Nodes Examined* Mean (SD) | Total Lymph Nodes Examined Category Frequency (%) | ||
|---|---|---|---|---|---|
0–30 | 31–45 | > 45†| |||
All | 4049 | 42.9 (15.9) | 889 | 1597 | 1563 |
(22.0%) | (39.4%) | (38.6%) | |||
IA | 1815 | 40.2 (14.8) | 473 | 765 | 577 |
(26.1%) | (42.1%) | (31.8%) | |||
IB | 501 | 41.5 (14.8) | 117 | 207 | 177 |
(23.4%) | (41.3%) | (35.3%) | |||
IIA | 423 | 45.3 (17.3) | 82 | 162 | 179 |
(19.4%) | (38.3%) | (42.3%) | |||
IIB | 330 | 44.7 (15.5) | 59 | 120 | 151 |
(17.9%) | (36.4%) | (45.8%) | |||
IIIA | 303 | 45.8 (16.8) | 56 | 110 | 137 |
(18.5%) | (36.3%) | (45.2%) | |||
IIIB | 341 | 46.7 (16.9) | 60 | 120 | 161 |
(17.6%) | (35.2%) | (47.2%) | |||
IIIC | 336 | 48.5 (16.2) | 42 | 113 | 181 |
(12.5%) | (33.6%) | (53.9%) | |||