| High grade | Mixed grade | Low grade | F | P value | |||
Age (year) Mean ± SD Range |
27.9 ± 4.9 21 - 38 |
28.5 ± 4.1 20 - 35 |
27.3 ± 4.5 20 - 35 |
0.62 |
0.53 | |||
BMI Mean ± SD Range |
26.7 ± 2.1 22.6 - 30 |
26.7 ± 2.4 23 - 30 |
26.6 ± 2.2 22 - 30 |
0.01 |
0.98 | |||
Type of infer Primary Secondary | n 17 13 | % 56.7 43.3 | n 15 15 | % 50 50 | n 19 11 | % 63.3 36.7 | 1.09 | 0.58 |
Duration of infer Mean ± SD Range |
3.4 ± 2.1 1 - 8 |
3.36 ± 1.7 1 - 8 |
3.7 ± 2.2 1 - 8 | 0.24 | 0.78 | |||
Cause of infer Unexplained Male factor Female factor | n 15 5 10 | % 50 16.7 33.3 | n 15 4 11 | % 50 13.3 36.7 | n 15 4 11 | % 50 13.3 36.7 | 0.22 | 0.99 |