Skip to main content

Table 2 Age of patients, histological type of ovarian teratoma, laterality of the affected ovary and tumor size

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

Variable Histological type of ovarian teratoma Total of cases with teratoma Ovarian teratoma not found
Mature Immature Mature and immature Not specified
Age (N) (99) (29) (6) (40) (174) (40)
Mean ± SD 24,1 ± 7,3 24,9 ± 8,4 26,0 ± 10,0 22,6 ± 8,4 23,9 ± 7,8* 19,1 ± 9,8*
Median(min-max) 24(7-42) 25(9-41) 26(15-39) 20(11-54) 24(7-54) 17(5-57)
Tumor location       
Right ovary 34(60,7) 13(23,2) 2(3,6) 7(12,5) 56 -
Left ovary 34(73,9) 11(23,9) 0- 1(2,2) 46 -
Bilateral 10(50,0) 2(10,0) 3(15,0) 5(25,0) 20 -
Not marked 21(40,4) 3(5,8) 1(1,9) 27(51,9) 52 -
Total 99(56,9) 29(16,7) 6(3,4) 40(23,0) 174 40
Teratoma size(cm)       
Mean ± SD(N) 5,7 ± 5,7(61) × 9,0 ± 5,0(20) 11,2 ± 5,9(5) - 6,7 ± 5,7(87) 0
Median(m-m) 4(0,1-22) 7,9(2,5-22) 11(5-20) - 5(0,1-22) 0
  1. *, p < 0,001 versus cases with teratoma (CI 1,96-7,64).
  2. ×, p < 0,05 versus immature and mature and immature (CI 1,03-6,37).