Retrospective Study
Copyright ©The Author(s) 2024.
World J Gastroenterol. Mar 28, 2024; 30(12): 1714-1726
Published online Mar 28, 2024. doi: 10.3748/wjg.v30.i12.1714
Table 1 Comparison between the higher red blood cell distribution width group and the lower red blood cell distribution width group
Characteristics
Higher RDW (n = 1573)
Lower RDW (n = 2685)
P value
RDW17.3 ± 3.313.0 ± 0.6< 0.01a
Age, yr64.1 ± 12.862.2 ± 11.7< 0.01a
Sex< 0.01a
Male873 (55.5)1640 (61.1)
Female700 (44.5)1045 (38.9)
BMI, kg/m222.3 ± 3.322.9 ± 3.1< 0.01a
Smoking570 (36.2)1047 (39.0)0.074
Drinking434 (27.6)881 (32.8)< 0.01a
Hypertension434 (27.6)679 (25.3)0.099
T2DM222 (14.1)319 (11.9)0.035a
CHD90 (5.7)91 (3.4)< 0.01a
Open surgery281 (17.9)282 (10.5)< 0.01a
Tumor location< 0.01a
    Colon940 (59.8)1068 (39.8)
    Rectum633 (40.2)1617 (60.2)
TNM stage< 0.01a
    I218 (13.9)585 (21.8)
    II727 (46.2)1020 (38.0)
    III538 (34.2)976 (36.4)
    IV90 (5.7)104 (3.8)
Tumor size< 0.01a
    < 5 cm739 (47.0)1716 (63.9)
    ≥ 5 cm834 (53.0)969 (36.1)
Operation time (min)230.3 ± 81.9225.8 ± 84.10.087
Blood loss (mL)116.4 ± 171.893.3 ± 131.0< 0.01a
Hospital stay (d)11.5 ± 7.711.2 ± 9.20.283
Overall complications400 (25.4)538 (20.0)< 0.01a
Major complications42 (2.7)60 (2.2)0.370