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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