Test Time

Cartilage group

Positive cases/total cases (%)

Fascia group

Positive cases/total cases (%)

Preoperative

13/62 (20.97)

12/60 (20.00)

1 month after operation

38/62 (61.29)*

35/60 (58.33)*

Three months after operation.

48/62 (77.42)**

47/60 (78.33)**

Six months after operation.

51/59 (86.44)^Δ

43/58 (74.14)

1 year after operation

47/56 (83.92)^Δ

38/55 (69.09)

Three years after operation

42/52 (80.77)^Δ

31/50 (62.00)^#