Table 7 Comparison of vitamin deficiency rates between the preoperative and 1-month postoperative period in subgroup analysis.
Subgroup | Group | Project | Quantity (Deficiency/Normal) | X2 | P-valuea | |
|---|---|---|---|---|---|---|
Preoperative b | 1-month postoperative | |||||
Total gastrectomy | Experimental group (N = 20) | Folic acid | 0/20 | 0/20 | 0.000 | 1.000 |
Vitamin B12 | 3/17 | 0/20 | 1.441 | 0.230 | ||
25-hydroxyvitamin D | 20/0 | 20/0 | 0.000 | 1.000 | ||
Vitamin B1 | 11/13 | 5/19 | 3.375 | 0.066 | ||
Control group (N = 20) | Folic acid | 0/20 | 0/20 | 0.000 | 1.000 | |
Vitamin B12 | 2/18 | 1/19 | 0.000 | 1.000 | ||
25-hydroxyvitamin D | 20/0 | 20/0 | 0.000 | 1.000 | ||
Vitamin B1 | 7/8 | 5/10 | 0.558 | 0.710 | ||
Partial gastrectomy | Experimental group (N = 21) | Folic acid | 0/21 | 0/21 | 0.000 | 1.000 |
Vitamin B12 | 0/21 | 0/21 | 0.000 | 1.000 | ||
25-hydroxyvitamin D | 21/0 | 21/0 | 0.000 | 1.000 | ||
Vitamin B1 | 5/12 | 0/17 | 7.798 | 0.044* | ||
Control group (N = 17) | Folic acid | 0/17 | 0/17 | 0.000 | 1.000 | |
Vitamin B12 | 1/16 | 0/17 | 0.000 | 1.000 | ||
25-hydroxyvitamin D | 17/0 | 17/0 | 0.000 | 1.000 | ||
Vitamin B1 | 7/15 | 4/18 | 0.485 | 0.486 | ||
