Table 1.

The average values of distance measurements are shown for males and females separately

	Summary of F–P distance measurements
	Female					Male
	Mean (mm)	Maximum (mm)	Minimum (mm)	SD	Total (n)	Mean (mm)	Maximum (mm)	Minimum (mm)	SD	Total (n)
Distance at C3	23	26	18	2	46	24	27	21	2	43
Distance at C4	23	27	20	2	46	25	28	22	2	43
Distance at C5	25	28	20	2	46	26	31	22	2	43
Distance at C6	25	28	22	1	46	27	31	23	2	43

The decimals of the figures are not shown in the table. SD - Standard deviation, F - Foraminal; P - Pedicular