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Table 3 Time to diagnosis and surgery (days) and surgery performed according to teratoma histological type

From: Ovarian teratoma-associated anti-NMDAR encephalitis: a systematic review of reported cases

Histological type (N) Time to diagnosis/surgery (N), median mean ± SD Surgery performed Autopsy N (%)
Tumor excision N (%) Unilateral adnexectomy N (%) Bilateral cystectomy N (%) Bilat. Ooph. or radical N (%) No surgery N (%)
Mature (99) (85), 39 days 71,4 ± 88,5* 54(54,5)+ 34(34,3) 5(5,1) 2(2,0) 1(1,0) 3(3,1)
Immature (29) (26), 27,5 days 39,4 ± 28,6* 8(27,6) 17(58,6)++ 0- 4(13,8) 0- 0-
Mature + Immature (6) (3), 14 days 14,0 ± 0,0 0- 2(33,3) 0- 3(50,0) 1(16,7) 0-
Not specified (40) (10), 13,5 days 37,3 ± 42,5 25(62,5) 5(12,5) 1(2,5) 3(7,5) 3(7,5) 3(7,5)
Total (174) (124), 28(3-455) days 60,6 ± 77,0 87(50,0) 58(33,3) 6(3,4) 12(6,8) 5(2,9) 6(3,4)
  1. (N), n° of cases in which this variable is known;
  2. *, T test, p < 0,02 (CI 3-67); +, Chi2 test, p < 0,05, RR = 1,97 (CI 1,1-3,6); ++, RR = 1,7 (1,1-2,57).