Table 1.

Frequency of glioma, meningioma, and neuroma according to birth and perinatal characteristics

N (%)GliomaMeningiomaNeuroma
Total2,032,72755511984
Birth weight (g)
 500–2,49968,876 (3.4)20 (3.6)3 (2.5)3 (3.6)
 2,500–3,9991,609,686 (79.2)432 (77.8)94 (79.0)67 (79.8)
 4,000–6,000354,165 (17.4)103 (18.6)22 (18.5)14 (16.7)
Gestational age (weeks)
 22–3695,878 (4.7)20 (3.6)3 (2.5)3 (3.6)
 37–411,751,746 (86.2)477 (85.9)99 (83.2)74 (88.1)
 42–45185,103 (9.1)58 (10.4)17 (14.3)7 (8.3)
Birth weight by gestational age
 SGA201,290 (9.9)53 (9.5)8 (6.7)15 (17.9)
 AGA1,625,756 (80.0)440 (79.3)95 (79.8)59 (70.2)
 LGA205,681 (10.1)62 (11.2)16 (13.4)10 (11.9)
Head circumference (cm)
 20–32169,415 (8.3)48 (8.6)6 (5.0)4 (4.8)
 33–34753,488 (37.1)207 (37.3)44 (37.0)36 (42.9)
 35–36894,183 (44.0)240 (43.2)49 (41.2)31 (36.9)
 37–45215,641 (10.6)60 (10.8)20 (16.8)13 (15.5)
Birth length (cm)
 40–49640,024 (31.5)167 (30.1)37 (31.1)24 (28.6)
 50–521,067,258 (52.5)291 (52.4)54 (45.4)48 (57.1)
 53–62325,445 (16.0)97 (17.5)28 (23.5)12 (14.3)
Sex
 Men1,039,068 (51.1)304 (54.8)49 (41.2)47 (55.9)
 Women993,659 (48.9)251 (45.2)70 (58.8)37 (44.1)
Maternal age
 <25525,845 (25.9)150 (27.0)39 (32.8)27 (32.1)
 25–29764,782 (37.6)223 (40.2)41 (34.4)38 (45.2)
 30–34513,781 (25.3)139 (25.1)23 (19.3)16 (19.1)
 35+228,319 (11.2)43 (7.7)16 (13.4)3 (3.6)
Paternal age
 <25243,062 (12.0)67 (12.1)14 (11.8)13 (15.5)
 25–29664,783 (32.7)193 (34.8)39 (32.8)35 (41.7)
 30–34633,664 (31.2)181 (32.6)37 (31.1)21 (25.0)
 35+481,963 (23.7)111 (20.0)29 (24.4)15 (17.9)
 Missing9,255 (0.5)3 (0.5)00
Maternal birthplace
 Nordic1,906,626 (93.8)534 (96.2)112 (94.1)82 (97.6)
 Non-Nordic125,842 (6.2)21 (3.8)7 (5.9)2 (2.4)
 Missing259 (0.0)000
Parental socioeconomic index at birth
 Low396,927 (19.5)110 (19.8)29 (24.4)14 (16.7)
 Medium571,390 (28.1)134 (24.1)37 (31.1)26 (30.9)
 High435,428 (21.4)90 (16.2)18 (15.1)14 (16.7)
 Missing628,982 (30.9)2,221 (39.8)35 (29.4)30 (35.7)