Journal of Orthopaedics and Traumatology

Official Journal of the Italian Society of Orthopaedics and Traumatology

Table 3 Clinical comparisons between groups divided on the basis of gender, age and BMI

From: Return to physical activity and change in body mass index after hypoallergenic medial mobile-bearing unicompartmental knee arthroplasty

Score	Time period	Groups		Mean score comparison within time period	Mean score comparison within groups (Bonferroni-adjusted p-value)
		Gender		p-Value		Gender
		Male (n = 8)	Female (n = 33)	p-Value		Male (n = 8)	Female (n = 33)
UCLA	T₀	3.75 ± 1.67	3.67 ± 1.05	0.8594	T₁–T₀:	0.0002*	< 0.0001*
	T₁	6.13 ± 0.35	6.15 ± 0.83	0.9308	T₂–T₀:	< 0.0001*	< 0.0001*
	T₂	6.13 ± 0.35	6.39 ± 0.66	0.2740	T₂–T₁:	1.000	0.0771
HAAS	T₀	4.38 ± 1.92	4.55 ± 1.54	0.7906	T₁–T₀:	< 0.0001*	< 0.0001*
	T₁	10.50 ± 1.07	10.30 ± 1.36	0.7050	T₂–T₀:	< 0.0001*	< 0.0001*
	T₂	11.13 ± 0.99	10.97 ± 0.88	0.6652	T₂–T₁:	0.4361	0.0078*

		Age		p-Value		Age
		< 65 years (n = 17)	≥ 65 years (n = 24)	p-Value		< 65 years (n = 17)	≥ 65 years (n = 24)
UCLA	T₀	3.41 ± 0.62	3.88 ± 1.42	0.1175	T₁–T₀:	< 0.0001*	< 0.0001*
	T₁	6.18 ± 0.95	6.13 ± 0.61	0.5446	T₂–T₀:	< 0.0001*	< 0.0001*
	T₂	6.47 ± 0.72	6.25 ± 0.53	0.1629	T₂–T₁:	1.000	0.7500
HAAS	T₀	4.24 ± 0.66	4.71 ± 2.01	0.3572	T₁–T₀:	< 0.0001*	< 0.0001*
	T₁	10.71 ± 1.40	10.08 ± 1.18	0.1315	T₂–T₀:	< 0.0001*	< 0.0001*
	T₂	11.18 ± 1.01	10.88 ± 0.80	0.2934	T₂–T₁:	0.3234	0.0064*

		BMI		p-Value		BMI
		0< 30 (n = 24)	≥ 30 (n = 17)	p-Value		< 30 (n = 24)	≥ 30 (n = 17)
UCLA	T₀	3.83 ± 1.01	3.47 ± 1.37	0.3946	T₁–T₀:	< 0.0001*	0.0007*
	T₁	6.17 ± 0.64	6.12 ± 0.93	0.9081	T₂–T₀:	< 0.0001*	< 0.0001*
	T₂	6.29 ± 0.62	6.41 ± 0.62	0.5330	T₂–T₁:	1.000	0.7500
HAAS	T₀	4.08 ± 1.67	5.12 ± 1.32	0.0396*	T₁–T₀:	< 0.0001*	< 0.0001*
	T₁	9.96 ± 1.20	10.88 ± 1.27	0.0225*	T₂–T₀:	< 0.0001*	< 0.0001*
	T₂	10.75 ± 0.79	11.35 ± 0.93	0.0316*	T₂–T₁:	0.0001*	< 0.0001*

Values are presented as unadjusted mean ± SD
* Statistically significant difference

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