Table 1 Quality of included studies

Bhadauria [18]

5

3 weeks/10 sessions

Y

Y

N

Y

T Kumar [19]

4

6 weeks/3 days per week

N

N

N

N

Chhabra [20]

7

12 weeks

Y

Y

N

Y

Ali [21]

5

4 weeks/4 days per week

N

Y

N

Y

Bose [22]

6

4 weeks/3 days per week

Y

Y

N

Y

Satpute [23]

9

2 weeks/6 sessions

Y

Y

Y

Y

Majeed A [24]

4

6 weeks

Y

N

N

N

Divya [25]

6

4 weeks/3 days per week

N

N

N

N

Ganesh [26]

NA

6 Weeks

Y

N

N

N

Muthukrishnan [27]

7

8 weeks

N

N

Y

Y

S Kumar [28]

2

20 days

Y

N

N

N

Tambekar [29]

6

1 session

N

N

N

N

Babina [30]

5

2 weeks/10 sessions

N

N

N

N

Patel [31]

7

2 consecutive days/2 sessions

N

N

N

Y

Shah [32]

6

7 sessions

N

N

N

Y

Bhat P [33]

6

6 sessions in a week

N

Y

Y

Y

Nagrale [34]

8

6 weeks

N

N

N

Y

Ganesh [35]

5

4 weeks

Y

N

N

N

Kumar P [36]

6

2 sessions

N

N

N

N

Ajimsha [37]

6

8 weeks

Y

N

N

N

S Kumar [38]

4

20 days

Y

N

N

N

S Kumar [39]

7

20 days

Y

N

N

N

S Kumar [40]

6

5 weeks

N

N

N

N

Sarker [41]

7

2 weeks

N

N

Y

Y

Kavya [42]

6

3 weeks

N

N

N

N

Anand [43]

5

8 weeks

N

N

N

N

Das [44]

4

6 weeks

N

N

N

N

Tawrej [45]

4

1 week

N

N

N

N

Sawant [46]

4

Not mentioned

N

N

N

N

Gupta P [47]

4

8 weeks

N

N

N

N

Mane P [48]

4

2 weeks

N

N

N

N

Inani [49]

5

3 months

N

N

N

Y

P Goel [50]

4

3 weeks

N

N

N

N

Prashant P [51]

4

8 days

N

N

N

N

Zishan M [52]

3

5 days

N

N

N

N

Kulkarni [53]

3

6 weeks

N

N

N

N

Khandhar [54]

3

6 weeks

N

N

N

N