Patient characteristics
| Author | Number of patients/female | Mean age (min –max) | Mean BMI (min–max) | Mean CSF opening pressure (min–max) | Stenting as first procedure | Mean gradient (min–max) | FU months | Risk of study bias (as measured by modified Newcastle–Ottawa Scale) |
| Higgins et al 13 2003 | 12/12 | 33 (19–52) | 37 (29–45) | 34 (25–46) | 7 | 19 (8–37) | 14 (2–26) | Moderate |
| Donnet et al 12 2008 | 10/8 | 42 (28–60) | 27 (22–37) | 40 (29–59) | 10 | 19 (12–34) | 17 (6–36) | Moderate |
| Bussière et al 11, 2010 | 10/10 | 34 (16–65) | 36 (27–48) | NR | 10 | 28 (11–50) | 20 (4–60) | Moderate |
| Ahmed et al 8 2011 | 52/47 | 34 (10–64) | NR | 32 (25–73) | 43 | 19 (4–41) | 24 (2–108) | Moderate |
| Albuquerque et al 14 2011 | 15/12 | 31 (12–51) | NR | NR | NR | NR | 20 (2–40) | Moderate |
| Fields et al 16 2013 | 15/15 | 34 (20–56) | 39 (30–73) | NR | 9 | 24 (13–40) | 14 (1–49) | High |
| Ducruet et al 15 2014 | 30/25 | 33 (14–52) | NR | NR | NR | 21 (10–56) | 23 (3–59) | Moderate |
| Goodwin et al 21 2014 | 18/17 | 40 (21–56) | 33 (25–51) | 37 (25–55) | 18 | 15 (0–42) | 9 (0–23) | High |
| Teleb et al 22 2015 | 18/15 | 30 (15–59) | 36 (23–59) | NR | 13 | 14 (1–40) | 25 (1–44) | Moderate |
| Liu et al 23 2016 | 10/9 | 34 (17–59) | 42 (25–56) | 43 (27–55) | 6 | 30 (14–52) | 24 (16–32) | Moderate |
| Bodduet al 10 2016 | 29/28 | 30 (16–59) | 37 (19–52) | NR | 29 | 17 (9–37) | 26 (3–44) | Moderate |
| Kumpe et al 17 18 2012 −2016 | 39/28 | 36 (16–62) | 34 (NR) | 40 (NR) | 8 | 23 (10–43) | 27 (NR) | Moderate |
| Aguillar-Pérez et al 24 2017 | 51/41 | 40 (5–66) | 31(15-47) | 36 (19–60) | 47 | 17 (1–39) | 49 (NR) | Moderate |
| Satti et al 25 2017 | 43/39 | 35 (21–54) | 35 (21–56) | 36 (14–56) | 35 | 17 (7–46) | 14 (1–63) | Moderate |
| Shazly et al 26 2017 | 6/6 | 32 (18–47) | 39 (33–43) | 40 (NR) | 6 | 29 (NR) | 6 (6–6) | Moderate |
| Silva et al 27 2017 | 6/5 | 40 (22–53) | NR | 40 (17–48) | 6 | 12 (9–17) | 11 (7–16) | Moderate |
| Smith et al 28 2017 | 17/15 | 30 | 35 (25–46) | 38 (26–55) | 17 | 23 (13–41) | 18 (3–36) | Low |
| Lenck et al 19 2017 | 21/19 | 33 (NR) | 29 (NR) | 33 (NR) | 21 | 14 (NR) | 14 (NR) | Low |
| Asif et al 9 2017 | 41/39 | 36 (19–55) | NR | NR | 26 | 28 (NR) | 3 (3–4) | Moderate |
| El Mekabaty et al 29 2017 | 31/29 | 34 (18–67) | 39 (NR) | NR | 31 | 20 (NR) | NR | High |
| Totals | 474/419 | 35 | 35.27 | 37 | 342 | 21 | 19 |
Figures are rounded to the nearest value.
NR, not recorded.