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. Author manuscript; available in PMC: 2014 Dec 4.
Published in final edited form as: Surgery. 2014 Nov 11;156(6):1336–1341. doi: 10.1016/j.surg.2014.08.005

Table 4.

Comparison between patients with and without regional lymph node examination

Factors LN Examined
§p
No (%) Yes (%)
Female 132 (48%) 52 (46%) 0.65
Age ≥45 221 (81%) 84 (74%) 0.13
White 200 (73%) 94 (82%) <0.05
Dx Periods
 1988–1993 26 (9%) 8 (7%)
 1994–1999 41 (15%) 20 (18%) 0.77
 2000–2005 124 (45%) 49 (43%)
 2006–2010 83 (30%) 37 (32%)
Tumor ≥3 cm 75 (45%) 34 (49%) 0.58
Local Invasion 36 (14%) 21 (19%) 0.23
Metastasis 4 (2%) 3 (3%) 0.45
Radiation 20 (7%) 17 (15%) 0.02
Death 73 (27%) 25 (22%) 0.33

Results are expressed as raw number and with percentage in parenthesis. Dx Periods, diagnostic periods; LN, lymph node.

§

X2 test