Table 1 Characteristics of included studies
From: Systematic review of the incidence of post-operative trichiasis in Africa
First author, Year | Country | Study Design | No of patients | Type of surgery | Interventiona | Length of follow-up |
|---|---|---|---|---|---|---|
a) Interventional studies | ||||||
Adamu, 2002 [13] | Ethiopia | RCT | 153 | BLTR and TTR | Surgical technique: BLTR vs TTR | 3 months |
Alemayehu, 2004 [14] | Ethiopia | RCT | 982 | BLTR | Personnel performing surgery: ophthalmologist vs IECWs | 3 months and 6 months |
Burton, 2005a [15] | The Gambia | RCT | 451 | PLTR | Perioperative azithromycin | 6 months and 1 year |
Burton, 2012 [16] | Ethiopia | RCT | 1300 | PLTR | Absorbable sutures vs silk sutures | 1 year |
Rajak, 2011a [17] | ||||||
Gower, 2011 [18] | Ethiopia | RCT | 1452 | BLTR | Perioperative azithromycin | 6 weeks, 1 year and 3 years |
West, 2006 [19] | ||||||
West, 2007 [20] | ||||||
Woreta, 2012 [21] | ||||||
Gower, 2013 [22] | Tanzania | RCT | 1917 | BLTR | TT clamp vs standard procedure | 2 years |
Rajak, 2011b [23] | Ethiopia | RCT | 1300 | PLTR | PLTR vs epilation | 2 years and 4 years |
Habtamu, 2015 [24] | ||||||
Habtamu, 2016 [25] 2017a [26] 2017b [27] | Ethiopia | RCT | 1000 | PLTR and BLTR | Surgical technique: PLTR vs BLTR | 1 year |
Habtamu, 2018 [28] | Ethiopia | RCT | 1000 | PLTR | Postoperative oral doxycycline vs placebo | 1 year |
b) Observational studies | ||||||
Ahmed, 2015 [29] | Egypt | Prospective non-comparative study | 445 | Anterior lamellar reposition | – | 3 weeks, 3 months and 6 months |
Assefa, 2008 [30] | Ethiopia | Prospective study | 455 | TTR | – | 1 year |
Bog, 1993 [31] | Tanzania | Prospective community-based study | 94 | Tarsal plate rotation | – | 9–36 months |
Bouazza, 2017 [32] | Ethiopia | Descriptive cross-sectional study | 26 | Anterior lamellar resection with lid margin splitting | – | 6 months |
Bowman, 2000 [33] | The Gambia | Retrospective Cross-sectional study | 65 | Tarsal rotation procedure | – | 7 years |
Burton, 2005b [34] | The Gambia | Retrospective cohort study | 162 | PLTR | – | 3.5 years |
Burton, 2010 [35] | The Gambia | Prospective cohort study | 240 | PLTR | – | 4 years |
el Toukhy, 2006 [36] | Egypt | Prospective study | 493 | BLTR | – | 8 to 10 weeks |
Kerie, 2010 [37] | Ethiopia | Cross-sectional survey | 780 | BLTR | – | 3 months |
Khafagy, 2012 [38] | Egypt | Prospective study | 10 | Combined eyelid splitting and selective cryotherapy | – | 6 months |
Merbs, 2005 [39] West, 2005 [40] | Tanzania | Retrospective cohort study | 384 | BLTR | – | > 18 months |
Merbs, 2015 [41] | Tanzania | Preliminary data analysis from the PRET trial | 145 | BLTR | – | 1 year |
Ndoye, 1997 [42] | Senegal | Retrospective study | 137 | PLTR | – | 2 years |
Négrel, 2000 [43] | Morocco | Cross-sectional survey | 740 | BLTR | – | 6 months |
Pearson, 2013 [44] | Ethiopia | Cross-sectional survey | 363 | BLTR | – | 11 months |
Rajak,2010 [45] | The Gambia | Prospective study | 356 | PLTR | – | 4 years |
Rajak, 2013 [46] | Ethiopia | Prospective study | 1300 | PLTR | – | 2 years |
Woreta, 2009 [6] | Ethiopia | Prospective study within the STAR trial | 448 | BLTR | – | 6 months |