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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).