Table 1 Comparison of risk factors for retear rate

Age

31

1.8 (1.5–2.3)

<  0.0001*

Tear size, A Vs. B^a

11

0.3 (0.2–0.5)

<  0.0001*

Fatty infiltration (GFDI)

3

0.9 (0.4–1.9)

0.7588

Immobilization period (6 weeks)

22

0.4 (0.1–1.2)

0.0912

Passive range of motion (7 days)

27

0.8 (0.7–1.1)

0.1237

Active assisted ROM (5 weeks)

23

0.5 (0.4–0.7)

< 0.0001*

Full active ROM (8 weeks)

9

2.0 (1.3–3.2)

0.0028*

Strengthening exercises (12 weeks)

23

1.1 (0.8–1.5)

0.4653

Arthroscopic vs. open/mini-open

31

1.0 (0.7–1.7)

0.8524

Single-row vs. double-row

18

1.3 (0.9–1.9)

0.2036

Single-row vs. suture bridge/transosseous

22

0.6 (0.4–0.8)

0.0005*

Double-row vs. suture bridge/transosseous

15

0.5 (0.3–0.7)

0.0001*

PRP vs. No PRP

9

0.6 (0.4–0.9)

0.0179*

Tendon augmentation vs. No augmentation

4

0.2 (0.1–0.4)

< 0.0001*