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. 2020 Sep 15;9:231. Originally published 2020 Apr 2. [Version 3] doi: 10.12688/f1000research.22940.3

Table 2. Characteristics of studies included.

Articles Cases (n) Mean age
(years)
Stone size (mm/
mm 2)
Mean number of
stone
Stone free rate
(%)
Complication
rate (%)
Definition of Stone Free
Rate
Follow
up time
Supine Prone Supine Prone Supine Prone Supine Prone Supine Prone Supine Prone
Melo PAS, et al.
(2019)
294 99 49.14 47.66 29.76 30.34 - - 42.1 37.4 13.6 23.2 Residual stones ≤ 4 mm 1 day
Gokce MI, et al.
(2017)
39 48 47.5 49.2 47.3 45.6 - - 64.1 60.4 15.4 29.2 Absence of residual
fragments in postoperative
NCCT
30 days
Mahmoud M,
et al. (2017)
20 20 42.35 41.15 27.1 25.7 Single
or
multiple
Single
or
multiple
80 85 15 10 Absence of residual stone -
Wood GJA, et al.
(2017)
28 104 45.89 44.98 - - - - 71.4 63.5 28.6 39.4 Residual stones ≤ 3 mm on
first postoperative CT scan
1 day
Astroza G, et al.
(2013)
232 1079 51.8 49.8 - - - - 48.4 59.2 10.4 8 - -
Kan RW, et al.
(2013)
25 35 67 63 36.9 44.8 - - 46 68 24 11.4 Absence of residual stone -
Karami H, et al.
(2013)
50 50 44.4 41.5 28.2 28.3 2 2.3 86 92 24 20 Residual stones ≤ 3 mm 1 month
Sanguedolce F,
et al. (2013)
65 52 53 49 20.6 18.1 Single
or
multiple
Single
or
multiple
89.2 92.3 7.7 7.6 Absence of fragments of
asymptomatic residual
fragment ≤ 2 mm
3 months
Arrabal-Martin
M, et al. (2012)
24 32 49 47 510 530 - - 79.2 75 29.1 31.2 - -
Wang Y, et al.
(2012)
6 12 44.8 43.8 36 33 - - 83.3 91.7 0 0 No residual stone of > 4 mm 3 months
Valdivia JG, et al. (2011) 1138 4637 51 48.8 470.6 449.1 - - 70.2 77 19.2 20.8 Stone free on radiography,
renal ultrasound, or CT scan
30 days
Total patients 1921 6168 - - - - - - - - - - - -