Retrospective Study
Copyright ©The Author(s) 2021.
World J Gastroenterol. May 21, 2021; 27(19): 2366-2375
Published online May 21, 2021. doi: 10.3748/wjg.v27.i19.2366
Table 4 Vitamin deficiencies in esophageal cancer patients before and after chemotherapy, n (%)
ItemBefore chemotherapy
After chemotherapy
χ2P value

Normal
Deficiency
Normal
Deficiency


Vitamin A (μmol/L)163 (81.50)37 (18.50)158 (79.00)42 (21.00)0.4850.486
Vitamin D (nmol/L)194 (95.57)9 (4.43)191 (94.09)12 (5.91)0.2350.629
Vitamin C (μmol/L)155 (76.35)48 (23.65)133 (65.52)70 (34.48)6.6820.010
Vitamin B2 (μg/L)139 (68.47)64 (31.53)108 (53.20)95 (46.80)9.6770.002