Table 6 Methodological quality assessment of included case reports and case series (n = 25)
Author(s), year, country | Selection | Ascertainment | Causality | Reporting sufficient details | Total score | ||||
|---|---|---|---|---|---|---|---|---|---|
Patients’ representation | Exposure adequately ascertained | Outcome adequately ascertained | Alternative causes ruled out | Challenge/re-challenge phenomenon | Dose-response effect | Long enough follow-up | |||
Antti-Poika et al., 1990, Finland | 1 | 1 | 1 | 1 | 0 | 1 | 0 | 1 | 6 |
Boles et al., 2018, Canada | 1 | 1 | 1 | 1 | 0 | 1 | 0 | 1 | 6 |
Brändström et al., 2014, Sweden | 1 | 1 | 1 | 1 | 0 | 1 | 0 | 1 | 6 |
Carceller et al., 2019, Spain | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 1 | 3 |
Cauchy et al., 2001, France | 1 | 1 | 1 | 1 | 0 | 1 | 0 | 1 | 6 |
Detanac et al., 2022, Serbia | 1 | 1 | 1 | 1 | 0 | 1 | 0 | 1 | 6 |
Ghumman et al., 2019, Canada | 1 | 1 | 1 | 1 | 0 | 1 | 0 | 1 | 6 |
Hanko et al., 2022, USA | 1 | 1 | 1 | 1 | 0 | 1 | 0 | 1 | 6 |
Hashmi et al., 1998, Pakistan | 1 | 1 | 1 | 1 | 0 | 1 | 0 | 1 | 6 |
Jovic et al., 2019, Serbia | 1 | 1 | 1 | 1 | 0 | 1 | 0 | 1 | 6 |
Kloeters et al., 2011, Germany | 0 | 1 | 1 | 1 | 0 | 1 | 0 | 1 | 5 |
Koljonen et al., 2004, Finland | 1 | 1 | 1 | 1 | 0 | 1 | 0 | 1 | 6 |
Lorentzen and Penninga, 2018, Greenland | 0 | 1 | 1 | 1 | 0 | 1 | 0 | 1 | 5 |
Miller et al., 1980, Canada | 0 | 1 | 1 | 1 | 0 | 1 | 0 | 0 | 4 |
Nygaard et al., 2017, USA | 1 | 1 | 1 | 1 | 0 | 1 | 0 | 1 | 6 |
Poole et al., 2021, Canada | 1 | 1 | 1 | 1 | 0 | 1 | 0 | 1 | 6 |
Schellenberg et al., 2020, USA | 1 | 1 | 1 | 1 | 0 | 1 | 0 | 1 | 6 |
Su et al., 2015, China | 1 | 1 | 1 | 1 | 0 | 1 | 0 | 1 | 6 |
Tavri et al., 2016, USA | 1 | 1 | 1 | 1 | 0 | 1 | 0 | 1 | 6 |
Tran et al., 2022, USA | 1 | 1 | 1 | 1 | 0 | 1 | 0 | 1 | 6 |
Urschel, J., 1990, Canada | 1 | 1 | 1 | 1 | 0 | 1 | 0 | 0 | 5 |
Valnicek et al., 1993, Canada | 1 | 1 | 1 | 1 | 0 | 1 | 0 | 1 | 6 |
Wani et al., 2008, India | 0 | 1 | 1 | 1 | 0 | 1 | 0 | 1 | 5 |
Zhang et al., 2022, China | 1 | 1 | 1 | 1 | 0 | 1 | 0 | 1 | 6 |
Zhao et al., 2020, China | 1 | 1 | 1 | 1 | 0 | 1 | 0 | 1 | 6 |