Greater trochanter morphology and association with patient demographics, surgical factors, and post-operative stem position: a retrospective assessment of 150 cementless THRs in 135 dogs

Table 4 Sagittal plane post-operative stem position values based on trochanter grade

	I		II		III		IV		All		p value
	Mean	SD	Mean	SD	Mean	SD	Mean	SD	Mean	SD
Canal fill in sagittal plane (%)	60.9	8.5	59.6	8.9	59.3	10.5	48.2	10.4	59.5	9.5	0.023*
Stem alignment in sagittal plane (°)	−0.07	2.48	0.71	2.23	0.82	2.66	0	2.53	0.49	2.45	0.289
Stem translation in sagittal plane (ratio)	0.03	0.06	0.04	0.06	0.03	0.07	0.06	0.07	0.04	0.06	0.557

Key: *: significant difference found in ANOVA, then followed by Scheffé’s post hoc test. Canal Fill: Grade IV different from Grade I and Grade II