Table 2 Comparison of postoperative RDW of the two groups (\(\bar x \pm s\),%)
Groups | The first day after operation | 14th day after operation | The 28th day after operation |
|---|---|---|---|
Control group (n = 70) | 18.35 ± 0.64 | 17.21 ± 0.52 | 15.47 ± 0.36 |
Experimental group (n = 70) | 18.42 ± 0.71 | 15.49 ± 0.38 | 12.36 ± 0.15 |
T value | 2.168 | 11.402 | 19.533 |
P value | 0.285 | 0.025 | 0.016 |