Table 2.

Patient treatment characteristics according to sex in the ACO subgroup (UICC stages I–III, n = 116,528). All differences in relative distributions are significant according to Pearson’s chi-square test

		Sex
		Male		Female		Total
		N	%	N	%	N	%
Removed lymph nodes	LK >0– < 12	6625	10.6	5176	9.6	11,801	10.1
	LK > =12– < 24	33,392	53.4	28,819	53.4	62,211	53.4
	LK > = 24	14,560	23.3	13,615	25.2	28,175	24.2
	No information	7989	12.8	6352	11.8	14,341	12.3
Residual tumor stage	R0	55,221	88.3	47,504	88.0	102,725	88.2
	R1/2	1005	1.6	949	1.8	1954	1.7
	No information	6340	10.1	5509	10.2	11,849	10.2
Lymph node ratio	0/ns	44,796	71.6	37,450	69.4	82,246	70.6
	< 0.100	7071	11.3	6710	12.4	13,781	11.8
	0.100–0.199	4474	7.2	4077	7.6	8551	7.3
	0.200–0.399	3791	6.1	3436	6.4	7227	6.2
	0.400+	2434	3.9	2289	4.2	4723	4.1
Chemotherapy	Yes	17,557	28.1	14,076	26.1	31,633	27.1
	No	45,009	71.9	39,886	73.9	84,895	72.9
Mortality postoperative (30 days)	No	60,675	97.0	52,483	97.3	113,158	97.1
	Yes	1891	3.0	1479	2.7	3370	2.9
Mortality postoperative (90 days)	No	59,442	95.0	51,468	95.4	110,910	95.2
	Yes	3124	5.0	2494	4.6	5618	4.8
	Total	62,566	100.0	53,962	100.0	116,528	100.0