Table 4 P values for correlation analyses between variables suspected to be relevant to postoperative outcomes

Sex

.159

.255

.623

.363

.860

.814

.546

.935

.157

Age

.003 (− 0.297)

.001 (− 0.316)

.002 (− 0.310)

.158

.001 (− 0.385)

.002 (− 0.309)

.024 (− 0.227)

.104

.076

BMI

.665

.380

.631

.333

.526

.123

.998

.957

.609

Symptom duration

.399

.504

.938

.127

.793

.650

.989

.305

.429

TT-TG distance

.130

.921

.473

.118

.875

.839

.619

.710

.896

Dejour type

.589

.724

.326

.038 (0.210)

.353

.523

.362

.583

.996

Insall-Salvati ratio

.669

.453

.344

.043 (−0.231)

.833

.448

.958

.030 (−0.247)

.096

Lateral patellar tilt

1.000

.810

.288

.385

.312

.187

.604

.980

.407

Sulcus angle

.384

.061

.372

.546

.028 (−0.225)

.165

.395

.994

.515