PLOD1 and Infertility: Comparisons between the 31 cases of successful spermatozoa retrieval and the 46 cases of failed TESE revealed no significant differences regarding male partner mean age (p=0.356), time of infertility (p=0.706), testicular volume (p=0.479), serum levels of FSH (p=0.660), LH (p=0.362) and testosterone (p=0.089), total number of testicular fragments (p=0.596) analyzed, or time of search (p=0.138) in samples (Table 1).