Association between subtalar articular surface typing and flat foot deformity: which type is more likely to cause flat foot deformity

Table 2 Calcaneus morphological parameters based on classification

	Average total joint facet area (cm²)	Mean Gissane’s angle (degree)	Mean Bohler’s angle (degree)
Type I	8.40 ± 1.79	131.58 ± 7.32	30.80 ± 4.61
Type II	7.65 ± 1.38^*	128.49 ± 6.74^*	28.81 ± 7.44^*
Type III	6.93 ± 1.08^{, *}	130.73 ± 6.36	30.80 ± 4.69
Type IV	7.81 ± 1.74^***	131.94 ± 5.80^**	32.25 ± 5.02^**
Type V	8.18 ± 2.83	130.80 ± 3.73	31.90 ± 7.16

Note: Data were presented as the mean and SD. ^*p < 0.05 vs Type I, ^**p < 0.05 vs Type II, ^***p < 0.05 vs Type III

ISSN: 1471-2474