Table 1.
Baseline characteristics for all studies included in the quantitative synthesis
| Type of graft | Lead author | Study characteristics |
Limitations |
Patient demographics |
||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Year | Number of patients | Follow-up, mo, (SD; range) | Country | Study years | Methodological | Noted by authors | Previous operation | Age, y, mean (SD; range) | Onset duration, mo (SD; range) | Degree of curvature (SD; range) | Complex deformity, % (n/N) | Plaque size, cm | ||
| Xenograft | Sayedahmed19 | 2017 | 43 | 33 (NM; 10–59) | Germany | 2007–2015 | Nonrandomized | No standardized questionnaire for evaluation; no predictive factors for postoperative outcome | NM | 57.4 (NM; 39–82) | sdf 4 | 73.8 (NM; 60–90) | NM | 2.1 (1-4) |
| Cosentino20 | 2016 | 44 | 19.2 (NM; 11–48) | Spain | 2009–2013 | No IIEF, retrospective, no satisfaction measure, no penile length measurement | – | NM | 56.1 (NM; 49–64) | 24 (MM; 9-48) | >60 in 40 patients | NM | NM | |
| Knoll21 | 2007 | 162 | 38 (NM; 6–96) | US | 1998–2006 | No IIEF, retrospective, no satisfaction measurement | – | NM | 52 (NM; 33–69) | 16 (NM; 12–30) | 70 (NM; 60–100)‡ | 0 | 1.5 × 4.0–3.0 × 6.0 | |
| Sansalone22 | 2011 | 157 | 20 (NM; 1224) | Italy/Serbia | 2004–2008 | Retrospective, no penile length measurement | Only 89 patients completed the IIEF. | NM | 55 (±11; 29–70) | sdf 6–12 | NM (NM; NM) | NM | NM | |
| Allograft | Sampaio23 | 2002 | 40 | NM (NM; 16) | Portugal | 1989–1999 | No IIEF, retrospective, no satisfaction measurement | – | NM | 56 (NM; 43–69) | NM (NM; 24–96) | NM (NM; NM) | NM | 1–7 × 2–2.5 |
| Autograft | Kadioglu24 | 2018 | 144 | 51.1 (±39.6; NM) | Turkey | 1997–2016 | No IIEF, retrospective, no satisfaction measurement, no penile length measurement | – | NM | 54.1 (±9.2; NM) | 28.2 (±17.3; NM) | 58.4 (±18.9; NM) | 32.5 (37/114) | NM |
| Kalsi25 | 2005 | 113 | 12 (NM; 8–70) | UK | 1996–2004 | No IIEF, retrospective, no satisfaction measurement | – | 6/113 | 45 (NM; 17–71) | 24 (NM; NM) | 64.5 (NM; 20–180) | 15.9 (18/113)§ | NM | |
| Montorsi26 | 2000 | 50 | 32 (NM; 15–54) | Italy | 1995–1998 | No IIEF, retrospective | – | NM | 44 (NM; 28–62) | sdf 6 | 60 (±4; NM) | NM | NM | |
| Akkus27 | 2001 | 58 | NM | Turkey | 1994–1999 | No IIEF, retrospective, no satisfaction measurement | – | 0/58 | 50 (NM; 39–63) | NM (NM; 12–60) | NM (NM; NM) | NM | NM | |
| El-Sakka13 | 1998 | 112 | NM† | US | 1995–1997 | No IIEF, retrospective | – | NM | 52 (22–73) | sdf 3 | <90 in 82 patients, >90 in 30 patients | 10.7 (12/113) | NM | |
| Multiple | Flores15 | 2011 | 56 | NM | US | 2002–2004 | Retrospective, no satisfaction measurement, no penile length measurement | No recording of pertinent preoperative characteristics, such as mean preoperative curvature, hemodynamics, and erectile function | NM | 57 (±22; NM) | 22 (±9; NM) | 52 (± 23; NM) | 10.7 (6/56) | 4.7 ± 1.2 cm2 |
| Chung28 | 2011 | 86∗ | 98 (NM; 61–120) | Canada | 1995–2005 | Retrospective | Small sample size, patients lost to follow-up, nonrandomized graft material selection, surgery performed across different timelines | 0/86 | 54.6 (NM; 34–73) | 29.1 (NM; 8–60) | 71.7 (NM; 30–160) | NM | NM | |
NM = not mentioned; SD = standard deviation; sdf = stable disease for.
∗
46 contacted for follow-up.
†
4 had pure hourglass; 4 had concomitant dorsal deformity.
‡
Median.
§
Waist deformity.