Table 1 Characteristics of included studies

Nonne, 2019 [9]

Retrospective comparative study

88/60

86.1/87.6

66(75%)/45(75%)

HA vs. DM

28.3 months

PL

Not mentioned

V

V

V

Ukaj, 2019 [10]

Randomized controlled trial

32/34

77.6/78.1

15(32%)/24(51%)

HA vs. DM

36 months

PL

Single surgeon

V

V

V

V

V

V

Iorio, 2019 [11]

Randomized controlled trial

30/30

83/82

17(57%)/18(60%)

HA vs. DM

12 months

DL

Not mentioned

V

V

V

V

V

Fahad, 2019 [12]

Retrospective comparative study

77/27

71.1/69.3

46(60%)/14(52%)

HA vs. DM

12 months

DL or PL

Multi-surgeon

V

V

V

Kim, 2018 [13]

Retrospective comparative study

84/84

72.9/73.1

57(68%)/58(69%)

HA vs. DM

21.9 months

PL

Single surgeon

V

V

V

V

V

Boukebous, 2018 [14]

Retrospective comparative study

101/98

83.3/77.8

73(73%)/70(71%)

HA vs. DM

24.6 months

PL

Multi-surgeon

V

V

V

Ochi, 2017 [16]

Retrospective comparative study

20/33

75.4/80.0

16(75%)/26(78%)

HA vs. DM

20.5 months

DAA

Multi-surgeon

V

V

V

V

V

V

Bensen, 2014 [15]

Retrospective comparative study

171/175

84.1/75.2

131(77%)/123(70%)

HA vs. DM

23.5 months

PL

Multi-surgeon

V

V

V

V

V

V