Table 3 Overview of study variables during isolated posterior cruciate ligament reconstruction based on global region

Age

30.7 +—3.7

28.4 +—2.31

32.6 +—4.8

31.0 +—0

Gender (% male/total patients)

.772 (912/1181)

.765 (156/204)

.694 (43/62)

.643 (9/14)

Injury Mechanism

(n = # patients reported)

 Motor Vehicle Accident

.548 (453/827)

.429 (58/135)

.294 (10/34)

.643 (9/14)

 Sports

.320 (265/827)

.519 (70/135)

.559 (19/34)

.357 (5/14)

 Falls

.047 (39/827)

0 (0/135)

.112 (4/34)

0 (0/14)

 Other

.084 (70/827)

.052 (7/135)

.029 (1/34)

0 (0/14)

Bundle Number

(n = # of studies reporting)

 Single

0.774 (24/31)

0.778 (7/9)

1.000(4/4)

0 (0/1)

 Double

0.258 (8/31)

0.333 (3/9)

0.250 (1/4)

1 (1/1)

Graft Source

(n = # of patients reported)

 Hamstring autograft

.517 (611/1181)

.608 (124/204)

.032 (2/62)

1 (14/14)

 Achilles tendon allograft

.203 (240/1181)

.044 (9/204)

.581 (36/62)

0 (0/14)

 Quadriceps tendon autograft

.051 (60/1181)

.103 (21/204)

.113 (7/62)

1 (14/14)

 Tibialis Anterior allograft

.107 (126/1181)

0 (0/204)

0 (0/62)

0 (0/14)

 Bone-patellar-tendon-bone autograft

.054 (64/1181)

.328 (67/204)

.177 (11/62)

0 (0/14)

 Bone-patellar-tendon-bone allograft

.008 (10/1181)

0 (0/204)

.113 (7/62)

0 (0/14)

 Other

.045 (53/1181)

0 (0/204)

0 (0/62)

0 (0/14)

 Autograft

.667 (788/1181)

.966 (197/204)

.322 (20/62)

1 (14/14)

 Allograft

.318 (376/1181)

.147 (30/204)

.694 (43/62)

0 (0/14)

 Artificial Graft (LARS)

.048 (57/1181)

.039 (8/204)

0 (0/62)

0 (0/14)

Tibial Technique

(n = # of studies reporting)

 Transtibial

.935 (29/31)

1 (9/9)

1 (4/4)

1 (1/1)

 Tibial Inlay

.129 (4/31)

0 (0/9)

.5 (2/4)

0 (0/1)

Femoral Tunnel Drilling

(n = # of studies reporting)

 Outside-In

.462 (12/26)

.571 (4/7)

1 (3/3)

1 (1/1)

 Inside-Out

.538 (14/26)

.429 (3/7)

0 (0/3)

0 (0/1)

Tibial Fixation

(n = # of studies reporting)

 Screw

.645 (20/31)

.875 (7/8)

1 (2/2)

1 (1/1)

 Spike/Staple

.129 (4/31)

.125 (1/8)

0 (0/2)

0 (0/1)

 Button

.097 (3/31)

0 (0/8)

0 (0/2)

0 (0/1)

 Other

0 (0/31)

0 (0/8)

0 (0/2)

0 (0/1)

Femoral Fixation

(n = # of studies reporting)

 Screw

.581 (18/31)

.875(7/8)

1 (3/3)

1 (1/1)

 Button

.226 (7/31)

.125(1/8)

0 (0/3)

0 (0/1)

 Mini-Plate

.097 (3/31)

0(0/8)

0 (0/3)

0 (0/1)

 Other

.097 (3/31)

0(0/8)

0 (0/3)

0 (0/1)

Remnant

(n = # studies reporting)

 Preserved

0.864 (19/22)

.2 (1/5)

0 (0/2)

0 (0/1)

 Debrided

.182 (4/22)

.8 (4/5)

1 (2/2)

1 (1/1)

Reported PROMs

(n = # studies reporting)

 Lysholm

.903 (28/31)

.889 (8/9)

.5 (2/4)

1 (1/1)

 Tegner

.613 (19/31)

1 (9/9)

.5 (2/4)

0 (0/1)

 IKDC

.774 (24/31)

1 (9/9)

.75 (3/4)

1 (1/1)

 Posterior Drawer

.419 (13/31)

.444 (4/9)

.5 (2/4)

1 (1/1)