Upregulation of heme oxygenase-1 in colorectal cancer patients with increased circulation carbon monoxide levels, potentially affects chemotherapeutic sensitivity

Table 1 Summary of patients characteristics involved in the study (n = 118)

Characteristics no. of patients (%)
Age, years (range)	37-87
Sex
Male	63
Female	55
Depth of wall invasion
T1	7
T2	17
T3	4
T4	90
Histological type
Well differentiated adenocarcinoma	81
Moderately differentiated adenocarcinoma	28
Poorly differentiated adenocarcinoma	7
Mucin adenocarcinoma	2
Lymph node metastasis
Negative	75
Positive	43
TNM stages
I	18
II	54
III	40
IV	6

ISSN: 1471-2407