| Group | Cases | RBC (×1012/L) | Hb (g/L) | Hct (%) | MCH (pg) | Plt (×109/L) |
| Plain control group | 225 | 4.998 ± 2.296 | 145.58 ± 15.23 | 0.436 ± 0.059 | 30.11 ± 3.95 | 208.85 ± 59.49 |
| Observation group | 560 | 4.984 ± 1.618 | 156.02 ± 15.56(1) | 0.442 ± 0.053(1) | 31.68 ± 3.51(1) | 179.47 ± 55.96(1) |