Total knee arthroplasty in Ranawat II valgus deformity with enlarged femoral valgus cut angle: A new technique to achieve balanced gap

Table 1 Baseline characteristics of 103 cases in conventional total knee arthroplasty group and new theory total knee arthroplasty group

Characteristic	C-TKA group (n = 42 case)	NT-TKA group (n = 61 case)	P value
Knee number (n)	42	61
Age (yr)	62.9 (39-77)	63.5 (38-79)	0.083
Gender, n (%)			0.628
Male	15 (35.71)	19 (31.15)
Female	27 (64.29)	42 (68.85)
BMI (kg/m2)	24.0 ± 2.2	25.1 ± 2.8	0.091
Diagnosis, n (%)			0.770
Primary osteoarthritis	30 (71.43)	44 (72.13)
Rheumatoid arthritis	11 (26.19)	14 (22.58)
Hemophilic arthritis	1 (2.38)	3 (4.92)
FTA (°)	26.8 ± 5.7	26.3 ± 5.2	0.784
Operation time	105.6 ± 17.7	99.2 ± 11.0	0.031
Follow-up (mo)	83.4 ± 10.1	75.6 ± 10.0	0.907

Continuous data are shown as the mean ± SD or median (range), and categorical data are presented as n (%). BMI: Body mass index; FTA: Femorotibial axis; C-TKA: Conventional total knee arthroplasty; NT-TKA: New theory total knee arthroplasty.