Hybrid Total Knee Arthroplasty Revisited: Midterm Followup of Hybrid versus Cemented Fixation in Total Knee Arthroplasty

Table 1

Demographic data.

	Hybrid	Cemented	𝑃value
Total no. of patients	174	87
Mean followup (years)	4.1	3.2
Sex (% male)	35%	20%	𝟎.𝟎𝟏𝟑^∗
Mean age (years)	59.3	65.9	< 𝟎.𝟎𝟎𝟓^∗
Mean height (inches)	66.9	65.1	0.08
Mean weight (lbs)	214.7	210	0.7
Mean BMI	33.5	35.1	0.41
OA	95%	90%	0.25
RA	2%	7%	0.11
PTA	4%	2%	0.46
Other diagnoses	0%	1%	0.37

Demographic data for the hybrid total knee arthroplasty and fully cemented total knee arthroplasty groups. BMI: body mass index (kg/m²). OA: osteoarthritis. RA: rheumatoid arthritis. PTA: posttraumatic arthritis. Other: one case of pseudogout. *Statistically significant difference (𝑃<0.05).