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

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

Characteristics no. of patients (%)
Age, years (range) 37-87
 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