Table 3 Treatment regimens main results of all included studies

Ladra et al. [13]

NR

54 (100%)

18 (31.6%)^c; 18 (31.5%)^f; 16 (28.1%)^e; 3 (5.3%)^h; 2 (3.5%)^d

Passive scanning

50.4

(36.0–50.4)

NR

NR

Indelicato et al. [14]

NR

30 (100%)^e/h

Passive scanning

45

25

1.8

Ludmir et al. [15]

1 (2.2%)

46 (100%)

21 (45.7%)^f; 10 (21.7%)^e; 7 (15.2%)^o; 5 (10.9%)^h; 3 (6.5%)^g

Passive scanning

Active scanning

50.4

(36.0–50.8)

28

1.8–2.0

Bradley et al. [16]

1 (4.2%)

24 (100%)

15 (62.5%)^h; 8 (33.3%)^f; 1 (4.2%)ⁱ

Passive scanning

50.4

(41.4–59.4)

28

1.8

Indelicato et al. [17]

14 (45.2%)

31 (100%)

19 (61.3%)^a; 12 (38.7%)^b

Passive scanning

50.4

(36.0–59.4)

28

1.8

Buszek et al. [18]

60 (63.8%)

94 (100%)

51 (31.6%)^f; 15 (31.5%)^e; 10 (28.1%)^g; 9 (5.3%)^a; 6 (3.5%)⁰; 3 (3.5%)^c

Passive scanning

Active scanning

50.4

(36.0–50.8)

28

1.8–2.0

Parekh et al. [19]

20 (54.1%)

37 (100%)

18 (48.7%)^a; 17 (45.9%)^b; 2 (5.4%)^o

Passive scanning

50.4

(36.0–55.8)

28

1.8

Mizumoto et al. [20]

41 (74.5%)

53 (96.4%)^NR

NR

50.4

(36.0–60.0)

NR

NR

Suzuki et al. [21]

21 (43.8%)

46 (95.8%)

40 (83.3%)^j; 6 (12.5%)^k

NR

50.4

(41.4–59.4)

NR

NR

Leiser et al. [22]

55 (66.3%)

83 (100%)

59 (71.1%)^l; 14 (16.9%)^a; 5 (6.0%)^m; 3 (3.6%)^f; 1 (1.2%)^c; 1 (1.2%)ⁿ

Active scanning

54

(41.4–64.8)

30

1.8–2.0

Weber et al. [23]

NR

39 (100%)

28 (71.8%)^l; 5 (12.8%)^a; 3 (7.7%)^b; 3 (7.7%)^m

Active scanning

54

(50.4–55.8)

30

1.8–2.0