TABLE 1

Individual Characteristics by VTE Diagnosis (1973–2010)

VTE (n = 7519), n (%)No VTE (n = 3 564 055), n (%)
Age at diagnosis (y)
 0–9411 (5.5)
 10–191699 (22.6)
 20–293888 (51.7)
 ≥301521 (20.2)
 Mean ± SD.23.6±7.5
Gestational age at birth (wk)
 22–2716 (0.2)7736 (0.2)
 28–33125 (1.7)45 671 (1.3)
 34–36374 (5.0)152 922 (4.3)
 37–416181 (82.2)3 060 109 (85.9)
 ≥42823 (10.9)297 617 (8.3)
Gender
 Female4679 (62.2)1 731 307 (48.6)
 Male2840 (37.8)1 832 748 (51.4)
Birth cohort
 1973–19794134 (55.0)688 720 (19.3)
 1980–19892690 (35.8)973 754 (27.3)
 1990–1999586 (7.8)1 029 085 (28.9)
 2000–2008109 (1.4)872 496 (24.5)
Fetal growth (SD)
 Less than –2415 (5.5)112 024 (3.1)
 −2 to less than –11286 (17.1)534 522 (15.0)
 −1 to <02701 (35.9)1 264 088 (35.5)
 0 to <12113 (28.1)1 116 680 (31.3)
 1 to <2795 (10.6)427 958 (12.0)
 ≥2209 (2.8)108 752 (3.1)
Multiple birth status
 Singleton7387 (98.2)3 479 713 (97.6)
 Multiple birth132 (1.8)84 342 (2.4)
Birth order
 13198 (42.5)1 408 237 (39.5)
 22723 (36.2)1 221 530 (34.3)
 31092 (14.5)508 667 (14.3)
 ≥4493 (6.6)215 453 (6.0)
 Unknown13 (0.2)210 168 (5.9)
Maternal age at delivery (y)
 <20370 (4.9)83 638 (2.3)
 20–241990 (26.5)676 219 (19.0)
 25–292758 (36.7)1 249 024 (35.1)
 30–341674 (22.3)1 032 783 (29.0)
 35–40616 (8.2)431 809 (12.1)
 ≥40111 (1.5)86 464 (2.4)
 Unknown0 (0.0)4118 (0.1)
Maternal marital status
 Married/cohabiting4906 (65.2)2 867 096 (80.4)
 Never married1691 (22.5)348 717 (9.8)
 Divorced/widowed922 (12.3)348 242 (9.8)
Maternal education (y)
 ≤92222 (29.6)672 977 (18.9)
 10–112875 (38.2)1 147 506 (32.2)
 12–141431 (19.0)1 044 058 (29.3)
 ≥15658 (8.8)554 237 (15.6)
 Unknown333 (4.4)145 277 (4.1)
Paternal education (y)
 ≤92400 (31.9)765 333 (21.5)
 10–112289 (30.4)1 126 980 (31.6)
 12–141553 (20.7)958 766 (26.9)
 ≥15814 (10.8)537 323 (15.1)
 Unknown463 (6.2)175 653 (4.9)
VTE in a parent855 (11.4)110 838 (3.1)
VTE in a sibling110 (1.5)9647 (0.3)
Inpatient or outpatient diagnoses
Significant congenital anomaliesa257 (3.4)59 600 (1.7)
 Cerebral palsy100 (1.3)9099 (0.3)
 Diabetes195 (2.6)23 536 (0.7)
 Heart failure126 (1.7)4989 (0.1)
 Asthma565 (7.5)230 845 (6.5)
 Pneumonia944 (12.6)133 079 (3.7)
 Cancer515 (6.9)19 607 (0.6)
 Fracture1562 (20.8)478 641 (13.4)
  • a Other than undescended testicle, preauricular appendage, congenital nevus, or hip dislocation.