. 2014 Jan 22;140(3):461–470. doi: 10.1007/s00432-014-1586-6

Table 3.

Cohort baseline characteristics according to 4-hydroxynonenal levels

Characteristic	Total	4-Hydroxynonenal staining			P value^a
Characteristic	Total	Weak	Moderate	Strong	P value^a
Cohort (n = 34)	100 %	13 (38.2 %)	12 (35.3 %)	12 (35.3 %)	0.755
Age (years)	64.5 ± 9.51	63 ± 9.8	63.4 ± 10.5	68.3 ± 7.4	–
Sex^b					0.657
Men	20 (58.8 %)	9 (69.2 %)	6 (50 %)	5 (55.5 %)	0.621
Women	14 (41.2 %)	4 (30.8 %)	6 (50 %)	4 (44.5 %)	0.838
Tumor staging^b					0.355
IA	8 (23.5 %)	3 (23.1 %)	2 (22.2 %)	3 (33.3 %)	1.000
IB	13 (38.2 %)	6 (46.1 %)	5 (41.7 %)	2 (22.2 %)	0.477
IIA	6 (17.7 %)	1 (7.7 %)	4 (33.3 %)	1 (11.1 %)	0.395
IIB	7 (20.6 %)	3 (23.1 %)	1 (8.3 %)	3 (33.3 %)	0.720
Smoking^b					0.060
Smoker	23 (67.7 %)	10 (76.9 %)	5 (41.7 %)	8 (88.9 %)	0.467
Nonsmoker	11 (32.3 %)	3 (23.1 %)	7 (58.3 %)	1 (11.1 %)	0.478

^aChi-squared test for given probabilities with Monte Carlo simulated P values (based on 2,000 replicates)

^b2D-tabulated according to the respective groups