Table 1.

Year of publication and country of study of patients with anti-N-methyl-D-aspartate receptor encephalitis and ovarian teratoma

Year of publication and country of study
Year of publication (No. of papers)	n (%)
2014 (17)	22 (14.2)
2015 (19)	20 (12.9)
2016 (28)	31 (20.0)
2017 (32)	38 (24.5)
2018 (17)	18 (11.6)
2019 (17)	26 (16.8)
Total (130)	155 (100.0)
Country of birth or study	n (%)
Asia: Japan-28; China-26; Korea-5; India-5; Taiwan-3; Thailand-2; Malaysia-1; Saudi Arabia-1; Israel-1	72 (46.5)
Australia: 5	5 (3.2)
Europe: Spain-12; United Kingdom-6; Italy-3; Netherlands-3; Poland-2; Russia-2; Germany-1; France-1; Hungary-1; Ireland-1; Croatia-1; Turkey-1; Espana-1; Romania-1; Osterreich-1	37 (23.9)
North-America: United States-36; Canada-3; Mexico-1	40 (25.8)
South-America: Ecuador-1	1 (0.6)
Total	155 (100)