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Table 2 Characteristics of the included

From: Prevalence of complications associated with polymer-based alloplastic materials in nasal dorsal augmentation: a systematic review and meta-analysis

Author (year), country of origin Study type Mean follow-up (range) Number of cases (primary/secondary/tertiary) Mean age/sex Satisfaction
Yap, E. C.et al. (2011), [11] Philippines Retrospective Initial follow-up was on the fifth to seventh postoperative day. Successive follow-up visits occurred 2 weeks, 6 months, and 1 year after surgery 1054 (1008 primary, 46 secondary) 34 (15 to 72)/955 female and 99 male 99.62%
Kim, Y. S. et al. (2015) [12], Korea Retrospective 9 to 108 months (mean 29.3 months) 11 (all secondary) 37.1 years
(8 female 3 male)
81.81%
Scott Shadfar et al. (2015) [13], Pennsylvania Retrospective 9(1–47) 35 (23 primary, 12 secondary) 36 (17 to 65)/NR Not mentioned
Joo, Y. H. et al. (2016) [14], Republic of Korea. Retrospective 12(4–115) 176 (17 revision) 30.3 (11 to 69)/(96 male, 80 female) 75%
Winkler, A. A. et al. (2012) [15]
USA
Retrospective 12.1(0–74) 75 46 (7 to 86) Not mentioned
Beekhuis, G. J.et al. (1980) [16], USA Retrospective NR 30 NR Not mentioned
Alvarez-Buylla Blanco, M et al. (2011) [17], Spain Retrospective 73(11–136) 14(NR) 28 (16 to 50)/NR Not mentioned
Karnes, J et al. (2000) [18], USA Retrospective Up to 12 years 30(NR) NR Not mentioned
Colton, J. J. et al. (1992) [19], USA Retrospective NR 93 NR Not mentioned
Niechajev, I (2012) [20], USA Retrospective 6 months to 15 years (median, 7 years) 52 18 to 70 years (median, 29) 90.56%
Han (2012) [21]
South Korea
Prospective/cohort 20.9 months
(2–105 months)
58
48 primary, 10 secondary
29.4y(14–62 years)/5 male, 53 female nm
Chen (2010) [22]
Taiwan
Retrospective 25.4 m (5–71) 32 22 years (16–31)
15 male, 17 female
90.6%
84.4% patient satisfaction
Hong et al. (2010) [23]
South Korea
Prospective/cohort 34 months (12–98 months) 873 total
257 long follow-up and included
24 years (18–57)
47 male, 826 female
nm
Schwaiger et al. (2019) [24]
UK
Retrospective 34.2 months (1–106 months) 51 total case
20 nasal dorsal
25.6 years (NM)
24 male, 27 female
nm
Jeong et al. (2018) [25]
South Korea
Retrospective 6 months 227 25 years (22–38 years)/21 male, 206 female 91.2%
Turegun. M et al. (2008) [26]
Turkey
Prospective 30 months 14 35.5 (21–50) 100%
Conrad. K et al. (2009) [27]
Canada
Retrospective 71 months
(1–17) years
349
(13–70) years
94.8%
Lohuis. P.J.F.M et al. (2001) [28] Netherland Retrospective 17.9 months
(3–72) months
66 35.9 years
(10–66) years
23 male and 44 female
Not mentioned
Mohammadi Sh et al. (2014) [29], Iran Prospective/cohort 3 years
In monthly intervals
38 36
(15–58) years, 39 female and 25 male
Not mentioned
Waldman S R et al. (1991) [30], USA Retrospective
(12–36) months
17 33 years
(17–48) years
10 female and 7 male
94.1%
Zelken Jonathan et al. [31] (2017), Taiwan Retrospective 6 months
(1–36) months
177
P: 63
S: 144
34 years
(19–72) years
159 female and 18 male
4 unsatisfied
Godin. M et al. [32] (1995), USA Retrospective 25 months
(6–80) months
137
P: 69
S: 68
36 years
(14–68) years
Sex is not mentioned
100%
All 137 patients
Hwan Wang J et al. [33] (2007), Korea Retrospective 31 months
(12–39) months
27
P:23
S: 4
21 patients radix implant associated with dorsum
33 years
(16–65) years
15 female and 12 male
88.8%
Zeng Yanjun et al. [34] (2002), China Prospective -
3 months–5 years
98
P: 92
S: 6

(17–49) years
77 female and 21 male
63%
Pham (2011) [35]
USA
Retrospective 36 months 23 20–57 years
1 male
22 female
1 not satisfied
Pham and Hunter [36] (2006)
USA
Retrospective 3 months–5 years 19 18–56 years
19 female
0 male
1 not satisfied
Niechajev [37] 1999
Sweden
Prospective 1–3 years 23 dorsal 30 years (23–47 years)
16 female
11 male
nm
  1. Abbreviations: nm not mentioned