In-House Validated Map of Lymph Node Stations in a Prospective Cohort of Colorectal Cancer: A Tool for a Better Preoperative Staging

Table 3

Chi-square test showing association between CT-scan suspected node rate and histologic examination (LNM: lymph node metastases).

	LNM +	LNM -	Marginal row totals
Suspicious LNs	156 (92.02) [44.48]	85 (148.98) [27.47]	241
Nonsuspicious LNs	256 (319.98) [12.79]	582 (518.02) [7.9]	838
Marginal column totals	412	667	1079 (grand total)
The chi-square statistic is 92.6485. The value is < 0.00001. Significant at .