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. 2024 Dec 30;19:888. doi: 10.1186/s13018-024-05389-1

Table 3.

2D/3D coverage parameters for Crowe IVa, IVb DDH and control group

	Control group	DDH group
	Control group	IVa (n = 27)	IVb (n = 26)	P valure
A-ASA, deg (SD; range)	73.36 (7.89; 56.24 to 100.23)	57.83 (8.00; 43.87 to 72.05) ^##	52.91 (10.19; 20.63 to 68.20) ^##	t=-1.959; P = 0.056
AS-ASA, deg (SD; range)	118.95 (6.18; 107.35 to 132.24)	90.47 (14.36; 70.42 to 118.84) ^##	80.91 (9.89; 64.82 to 107.35) ^##	t=-2.831; P = 0.007*
S-ASA, deg (SD; range)	135.50 (5.43; 121.26 to 144.69)	114.83 (7.05; 103.13 to 130.13) ^##	110.55 (7.54; 98.20 to 127.77) ^##	t=-2.133; P = 0.038*
PS-ASA, deg (SD; range)	132.76 (6.86; 115.85 to 144.58)	110.41 (7.13; 95.55 to 125.02) ^##	116.74 (12.46; 94.49 to 143.77) ^##	t = 2.262; P = 0.029*
P-ASA, deg (SD; range)	108.97 (9.20; 72.50 to 126.66)	100.85 (11.22; 78.73 to 120.09) ^##	109.73 (14.16; 84.70 to 134.83)	t = 2.533; P = 0.014*
CC, % (SD; range)	94.89 (1.87; 91.42 to 98.60)	78.21 (5.65; 63.40 to 87.58) ^##	80.62 (6.16; 64.79 to 89.84) ^##	t = 1.487; P = 0.143

IVa: without false acetabulum; IVb: with false acetabulum; CC: component coverage

^#p < 0.05, ^##p < 0.01, compared with the control group; *p < 0.05, ** p < 0.01, for the comparison between the type IVa DDH and type IVb DDH