Table 3.

Fracture parameters and radiographic calcaneal fracture scores of main type A, B and C intra-articular calcaneal fractures.

	Preoperation							Postoperation
	Gissane (°)	Bohler (°)	Varus (°)	Burst (mm)	Length (mm)	Posterior subtalar joint (°)	Fracture scores (points)∗∗	Gissane (°)	Bohler (°)	Varus (°)	Burst (mm)	Length (mm)	Posterior subtalar joint (°)	Fracture scores (points)∗∗
Main type A	97.10	3.75	9.75	7.98	79.30	29.13	8.33	112.41	21.13	5.50	5.83	83.48	2.63	3.55
	(73–136)	(−9–12)	(−13–18)	(0–13.50)	(64.85–93.23)	(0–47)	(4–11)	(87–127)	(2–40)	(1–9)	(0–11.78)	(65.84–97.10)	(0–9)	(0–10)
Main type B	96.36	10.09	3.64	8.61	80.84	16.77	8.94	110.85	15.45	3.36	6.83	82.10	6.61	4.28
	(68–132)	(1–27)	(0–10)	(5.44–13.56)	(70.25–88.68)	(1–42)	(5–11)	(80–119)	(1–26)	(1–11)	(4.85–10.67)	(72.25–93.33)	(1–38)	(0–10)
Main type C	115.33	2	4	7.22	81.34	2.60	5.95	113.33	21	5.60	5.17	82.19	2.20	1.09
	(98–120)	(−12–16)	(−15–14)	(3.19–11.38)	(70.25–91.91)	(0–5)	(4–8)	(100–117)	(17–27)	(0–10)	(2.55–10.83)	(65.84–93.69)	(0–4)	(0–5)
Intraobserver I∗	0.70	0.78	0.65	0.71	0.81	0.72	–	0.76	0.80	0.66	0.73	0.83	0.76	–
Intraobserver II∗	0.79	0.81	0.69	0.73	0.83	0.74	–	0.81	0.85	0.67	0.74	0.86	0.75	–
Interobserver∗	0.65	0.72	0.61	0.70	0.74	0.71	–	0.69	0.75	0.63	0.72	0.73	0.72	–

^∗Intraclass correlation coefficient for reliability of fracture parameters.

^∗∗Preoperative calcaneal fracture scores: Bonferroni test for main type A vs. C (p < 0.001), main type B vs. C (p < 0.001) and main type A vs. B (p = 0.999).

^∗∗Postoperative calcaneal fracture scores: Bonferroni test for main type A vs. C (p < 0.001), main type B vs. C (p = 0.002) and main type A vs. B (p = 0.999).