Table 1.
Baseline characteristics of included studies
| Author, year | Country | Study design | Number of subjects (n) | Sex (male) | Sex (female) | Mean age ± SD (years) |
| Aladdin et al., 2021 | Saudi Arabia | Case Report | 1 | 0 | 1 | 36.00 |
| Al-mayhani et al., 2021 | UK | Case Series | 3 | 1 | 2 | 38.33 |
| Al rawahi et al., 2021 | Oman | Case Report | 1 | 1 | 0 | 64.00 |
| Althaus et al., 2021 | Germany | Case Series | 8 | 3 | 5 | 39.50 |
| Bano et al., 2021 | UK | Case Report | 3 | 1 | 2 | 56.00 |
| Bayas et al., 2021 | Germany | Case Report | 1 | 0 | 1 | 55.00 |
| Bersinger et al., 2021 | France | Case Report | 1 | 0 | 1 | 21.00 |
| Bjornstad-tuveng et al., 2021 | Norway | Case Report | 1 | 0 | 1 | NR |
| Blauenfeldt et al., 2021 | Denmark | Case Report | 1 | 0 | 1 | 60.00 |
| Bourguignon et al., 2021 | Canada | Case Series | 3 | 2 | 1 | 68.00 |
| Castelli et al., 2021 | Italy | Case Report | 1 | 1 | 0 | 50.00 |
| Casucci et al., 2021 | Italy | Case Report | 1 | 0 | 1 | 52.00 |
| Choi et al., 2021 | South Korea | Case Report | 1 | 1 | 0 | 33.00 |
| Cliff-patel et al., 2021 | UK | Case Series | 3 | 3 | 0 | 40.66 |
| Costentin et al., 2021 | France | Case Report | 1 | 0 | 1 | 26.00 |
| D’agostino et al., 2021 | Italy | Case Report | 1 | 0 | 1 | 54.00 |
| Demichele et al., 2021 | Italy | Case Series | 2 | 0 | 2 | 56.00 |
| Dutta et al., 2021 | India | Case Report | 1 | 1 | 0 | 51.00 |
| Gabarin et al., 2021 | Canada | Case Series | 2 | 2 | 0 | 61.50 |
| Gangi et al., 2021 | UK | Case Series | 6 | 4 | 2 | 37.33 |
| Gattringer et al., 2021 | Austria | Case series | 2 | 0 | 2 | 31.50 |
| Greinacher et al., 2021 | Germany | Case Series | 11 | 2 | 9 | 36.00 |
| Guan et al., 2021 | Taiwan, ROC | Case Report | 1 | 1 | 0 | 52.00 |
| Haakonsen et al., 2021 | Norway | Case Series | 2 | 1 | 1 | NR |
| Ikenberg et al., 2021 | Germany | Case Report | 1 | 0 | 1 | NR |
| Jacob et al., 2021 | UK | Case Report | 1 | 0 | 1 | 39.00 |
| Jones et al., 2021 | Canada | Case Report | 1 | 1 | 0 | 63.00 |
| Kotal et al., 2021 | India | Case Report | 1 | 0 | 1 | 32.00 |
| Mehta et al., 2021 | UK | Case Series | 2 | 2 | 0 | 28.60 |
| Muster et al., 2021 | Austria | Case Report | 1 | 0 | 1 | 51.00 |
| Ocal et al., 2021 | Germany | Case Report | 1 | 1 | 0 | 41.00 |
| Panovska-stavridis et al., 2021 | Republic of North Macedonia | Case Report | 1 | 0 | 1 | 29.00 |
| Schultz et al., 2021 | Norway | Case Series | 5 | 1 | 4 | 40.80 |
| Scully et al., 2021 | UK | Retrospective Study | 22 | 9 | 13 | 43.00 |
| Soleimani et al., 2021 | UK | Case Series | 3 | 1 | 2 | 44.00 |
| Sorensen et al., 2021 | Denmark | Case report | 1 | 0 | 1 | 30.00 |
| Suresh, Petchey et al., 2021 | UK | Case Report | 1 | 1 | 0 | 27.00 |
| Tiede et al., 2021 | Germany | Case Series | 5 | 0 | 5 | 58.60 |
| Tobaiqy et al., 2021 | Saudi Arabia | Retrospective Descriptive Study | 28 | 9 | 19 | NA |
| Umbrello et al., 2021 | Italy | Case Report | 1 | 0 | 1 | 36.00 |
| Varona et al., 2021 | Spain | Case Report | 1 | 1 | 0 | 47.00 |
| Walter et al., 2021 | Germany | Case Report | 1 | 1 | 0 | 31.00 |
| Weidmann et al., 2021 | Norway | Case Series | 5 | 0 | 5 | 41.20 |
| Wolf et al., 2021 | Germany | Case Series | 3 | 0 | 3 | 34.70 |
| Zanferrari et al., 2021 | Italy | Case Report | 1 | 0 | 1 | 40.00 |
| Abou-Ismail et al., 2021a | USA | Case Report | 1 | 1 | 0 | 48.00 |
| Clark et al., 2021a | USA | Case Report | 1 | 0 | 1 | 40.00 |
| Dhoot et al., 2021a | USA | Case Report | 1 | 1 | 0 | 24.00 |
| Malik et al., 2021a | USA | Case Report | 1 | 0 | 1 | 43.00 |
| Muir et al., 2021a | USA | Case Report Correspondence | 1 | 0 | 1 | 48.00 |
| See et al., 2021a | USA | Case Series | 12 | 0 | 12 | NR |
NR, not reported; SD, standard deviation.
a
Studies are Ad26.COV2.S reports.