Coronal plane stability of cruciate-retaining total knee arthroplasty in valgus gonarthrosis patients: A mid-term evaluation using stress radiographs

Table 1 Patient demographic data (n = 28 knees)

Parameters	Values
Age (years)	72.6 (8.0)1
Sex, n (%)
Female	24 (96.4)
Side, n (%)
Right	18 (64.2)
BMI	27.1 (3.3)1
ASA classification, n (%)
1	3 (10.7)
2	23 (82.1)
3	2 (7.1)
Krackow classification, n (%)
1	21 (75)
2	7 (5)
Preop mechanical axis (degrees)	11.31 (36-27.3)
Preop tibial slope (degrees)	9.0 (4.4)1
Prosthesis, n (%)
PFC sigma	15 (53.6)
NRG scorpio	11 (39.3)
Attune	1 (3.5)
Legion	1 (3.5)
Follow-up time (years)	3.41 (Range 10-7.4)

¹Mean (standard deviation).

BMI: Body mass index; ASA: American Society of Anesthesiologists.