Table 4.

Fluoroscopy use and male proportions in offspring of male orthopaedic surgeons

Groups	N° of offspring	N° of male births	Male proportion (%)	Sex Ratio	OR	95% CI
Reference population	91,893,674	46,158,225	50,23	1,01	1	Reference
All irradiated groups	215	109	50,70	1,03	1019	0,780 - 1331
Until 2 surgeries per week	61	33	54,10	1,18	1168	0,076 - 1932
3 or more surgeries per week	154	76	49,35	0,97	0,965	0,074 - 1324