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Table 1 Comparison of demographic characteristics and four values for alignment of patellofemoral joint between the responder and non-responder groups

From: Value of SPECT-CT Imaging for Middle-Aged Patients with Chronic Anterior Knee Pain

Parameter

Responders (n = 40)

Non-responders (n = 34)

P-value

Age (yr)

55 ± 6.4

53 ± 5.7

0.293

Gender (% female)

67.5 %

72.7 %

0.618

Body mass index (kg/m2)

26.1 ± 4.3

26.5 ± 4.5

0.762

Sulcus angle (°)

131 ± 7.4

128 ± 6.3

0.155

Congruence angle (°)

−5.7 ± 8.5

−2.8 ± 8.9

0.178

Insall-Salvati ratio

0.98 ± 0.14

0.96 ± 0.10

0.514

Q angle (°)

9 ± 3.1

11 ± 4.6

0.061

  1. Data are presented as mean and standard deviation