Table 1. Included articles.
| Study (year) | Study design | Number of cases | Criteria for ITP diagnosis | Number of procedures | Completeness of case description | Quality of the study (risk of bias) c | Potential conflicts of interest |
|---|---|---|---|---|---|---|---|
| Baudo et al (1985) 29 | Prospective trial, one arm a | 4 a (NR) | NR | 6 b | Moderate | Medium | NR |
| Bartholomew et al (1989) 32 | Prospective trial, one arm a | 1 a (adult) | NR | 1 | Moderate | High | NR |
| Finucane et al (2004) 89 | Case report | 1 (child) | NR | 2 | Good | NA | NR |
| Guzeldemir (2009) 90 | Case report | 1 (child) | After BM biopsy | 3 | Good | NA | None |
| Harms et al (1996) 91 | Case report | 1 (adult) | NR | 1 | Moderate | NA | NR |
| Inchingolo et al (2005) 92 | Case series | 1 (adult) | NR | 1 | Moderate | NA | NR |
| Larionova et al (2019) 93 | Case report | 1 (adult) | NR | 1 | Good | NA | None |
| Lee et al (2018) 33 | Case report | 1 (adult) | NR | 3 | Good | NA | None |
| Martin et al (2013) 94 | Case series | 1 (adult) | NR | 1 | Good | NA | NR |
| McKelvy et al (1976) 34 | Case report | 1 (adult) | After BM biopsy | 1 | Good | NA | NR |
| Oda, 2002 95 | Case report | 1 (child) | NR | 3 | Good | NA | NR |
| Rakocz et al (1993) 30 | Prospective trial, one arm a | 6 a (NR) | NR | 11 b | Moderate | Medium | NR |
| Sangwan et al (2013) 96 | Case report | 1 (adult) | NR | 1 | Good | NA | NR |
| Suwannuraks et al (1999) 31 | Prospective trial, one arm a | 1 a (NR) | NR | 2 b | Moderate | Medium | NR |
| Tarantino et al (2015) 55 | Retrospective cohort | 24 (adults) | According to ASH/BCSH guidelines | 32 | Inadequate | High | Potential d |
| Tay et al (2013) 97 | Case report | 1 (child) | NR | 1 | Good | NA | NR |
| Vaisman et al (2004) 98 | Case series | 2 (children) | NR | 3 | Moderate | NA | NR |
Abbreviations: ASH, American Society for Hematology ; BCSH, British Committee for Standards in Hematology ; BM, bone marrow ; ITP, immune thrombocytopenia; NA, not applicable ; NR, not reported.
a
Subset of ITP patients in cohort of patients with bleeding disorders.
b
Number of extracted teeth rather than procedures.
c
Not applicable for case reports.
d
The work was supported by GlaxoSmithKline (GSK). Tarantino provided consultancy for Amgen, Fogarty received funding from GSK and provided consultancy for Amgen, Shah is an employee of and holds equity ownership in GSK, and Brainsky is a former employee of and held equity ownership in GSK.