Table 2. The indicative effect of NSMR on decision making of clinical assisted reproductive method selection (c-IVF/ICSI).
| Normal Sperm Morphology Rate(NSMR) | ||||||
| ≥14% | [4%–14%) | <4% | ||||
| c-IVF | ICSI | c-IVF | ICSI | c-IVF | ICSI | |
| Cycle number (n) | 1247 | 152 | 2450 | 303 | 225 | 388 |
| Fertility rate (%) | 82.42 | 77.75 | 82.13 | 76.07 | 76.05 | 80.22 |
| Normal fertility rate (%) | 79.91 | 71.40* | 75.08 | 71.88 | 69.97 | 76.32 |
| Cleavage rate (%) | 95.01 | 94.91 | 94.76 | 95.45 | 94.03 | 93.69 |
| High quality embryo rate (%) | 49.08 | 48.86 | 46.38 | 45.51 | 42.46 | 42.24 |
| Implantation rate (%) | 31.5 | 28 | 31.99 | 29.7 | 34.99 | 31.08 |
| Clinical pregnant rate (%) | 52.6 | 50 | 52.69 | 49.45 | 55.69 | 51.31 |
| Multipul pregnant rate (%) | 32.93 | 34.62 | 33.77 | 29.19 | 26.34 | 24.06 |
| Ectopic pregnant rate (%) | 3.45 | 3.85 | 2.56 | 3.05 | 3.36 | 3.12 |
| Miscarriage rate (%) | 7.13 | 6.35 | 8.44 | 7.36 | 13.6 | 6.32** |
| Preterm birth rate (%) | 6.82 | 5.77 | 5.67 | 5.91 | 7.95 | 6.52 |
| Live birth rate (%) | 42.02 | 39.8 | 41.67 | 39.04 | 38.73 | 41.87 |
| Sex ratio (M/F) | 1.13 | 0.97 | 1.1 | 1.22 | 1.32 | 1.01 |
| Birth weight (kg, Twins) | 2.54±0.49 | 2.50±0.62 | 2.52±0.42 | 2.36±0.46* | 2.33±0.55 | 2.28±0.66 |
| Birth weight (kg, Singleton) | 3.27±0.55 | 3.35±0.53 | 3.22±0.51 | 3.18±0.58 | 3.25±0.43 | 3.23±0.45 |
Values are mean ±SD, n or n (%),
*refers to ICSI cycle outcomes compared with c-IVF outcomes in the same subgroup of NSMR, P<0.05,
**denote P<0.01.