Lumbosacral Defects in a 16th–18th-Century Joseon Dynasty Skeletal Series from Korea

Table 4

Descriptive statistics of spondylolysis in Joseon males and females.

	Number of spondylolysis occurrences / total (%)			P value
	Males	Females	Indeterminate
Spondylolysis at L2	1/81 (1.2%)	0/68 (0.0%)	0/49 (0.0%)	1.000
Spondylolysis at L4	1/81 (1.2%)	0/68 (0.0%)	0/49 (0.0%)	1.000
Spondylolysis at L5	1/81 (1.2%)	2/68 (2.9%)	1/49 (2.0%)	0.592
Total	3/81 (3.7%)	2/68 (2.9%)	1/49 (2.0%)	1.000

Probability value of Fisher’s exact test between the sexes.