Characterizing posterior calcaneal spur fractures in insertional Achilles tendinopathy: A case control study

Table 5 Comparison of female and male patients with spur fractures, n (%), mean ± SD (median, range)

Parameter	Female	Male	P value
n	11 (18.6)	76 (45.2)
Age (years)	53.2 ± 11.3 (55, 35-69)	50.8 ± 10.4 (49.5, 32-87)	0.467
Height (cm)	161.1 ± 5.7 (161.9, 150-168)	173.1 ± 6.4 (174, 156-189.2)	< 0.001c
Weight (kg)	73.3 ± 15.3 (76.1, 39.5-92.5)	81.0 ± 14.2 (79.0, 58.0-147.5)	0.106
Body mass index	28.3 ± 6.3 (27.9, 16.4-39.4)	26.9 ± 3.6 (25.8, 19.9-41.2)	0.311
Side (left, right)	11 (5, 6)	76 (34, 42)	1.00
Spur length	10.7 ± 4.0 (9, 6-17)	12.5 ± 4.6 (11.5, 3-24)	0.211

^cP < 0.001.

The Mann-Whitney U test was used. P values were compared against the Bonferroni-adjusted significance threshold of P < 0.002.