The incidence rate (%) of women experiencing each International Classification of Diseases, Ninth Revision (ICD-9) code following a first pregnancy outcome for the entire period examined with adjusted OR comparing first pregnancy loss to no pregnancy loss
| Three digit ICD-9 code | ICD-9 description | N, total with disease | ICD% no Pg loss | ICD% yes Pg loss | Adjusted OR* (95% CI) |
| 401 | Essential hypertension | 37 878 | 3.00 | 4.42 | 1.15 (1.11 to 1.20) |
| 402 | Hypertensive heart disease | 1769 | 0.11 | 0.27 | 1.20 (1.03 to 1.41) |
| 403 | Hypertensive chronic kidney disease | 1524 | 0.10 | 0.22 | 1.26 (1.05 to 1.50) |
| 404 | Hypertensive heart and chronic kidney disease | 145 | 0.01 | 0.02 | 1.30 (0.71 to 2.39)† |
| 405 | Secondary hypertension | 0 | 0 | 0 | N/A |
| 410 | Acute myocardial infarction | 746 | 0.06 | 0.09 | 1.09 (0.84 to 1.42) |
| 411 | Other acute and subacute forms of ischaemic heart disease | 1572 | 0.15 | 0.12 | 0.88 (0.71 to 1.10) |
| 412 | Old myocardial infarction | 488 | 0.04 | 0.06 | 1.66 (1.19 to 2.31) |
| 413 | Angina pectoris | 1523 | 0.10 | 0.21 | 1.49 (1.25 to 1.77)† |
| 414 | Other forms of chronic ischaemic heart disease | 2605 | 0.16 | 0.40 | 1.24 (1.09 to 1.41) |
| 415 | Acute pulmonary heart disease | 2151 | 0.11% | 0.38% | 1.30 (1.14 to 1.47) |
| 416 | Chronic pulmonary heart disease | 867 | 0.07 | 0.10 | 1.14 (0.88 to 1.47) |
| 417 | Other diseases of pulmonary circulation | 83 | 0.01 | 0.01 | 1.34 (0.62 to 2.91)† |
| 420 | Acute pericarditis | 713 | 0.06 | 0.07 | 1.17 (0.88 to 1.55) |
| 421 | Acute and subacute endocarditis | 2607 | 0.26 | 0.18 | 0.98 (0.81 to 1.19) |
| 422 | Acute myocarditis | 102 | 0.01 | 0.01 | 1.30 (0.64 to 2.66) |
| 423 | Other diseases of pericardium | 1889 | 0.18 | 0.16 | 0.98 (0.80 to 1.20)† |
| 424 | Other diseases of endocardium | 8357 | 0.68 | 0.94 | 1.08 (0.99 to 1.17) |
| 425 | Cardiomyopathy | 2233 | 0.20 | 0.22 | 1.14 (0.97 to 1.33) |
| 426 | Conduction disorders | 2603 | 0.19 | 0.34 | 1.28 (1.12 to 1.46) |
| 427 | Cardiac dysrhythmias | 30 179 | 2.27 | 3.77 | 1.31 (1.25 to 1.36) |
| 428 | Heart failure | 2829 | 0.20 | 0.37 | 1.32 (1.16 to 1.51) |
| 429 | Ill-defined descriptions and complications of heart disease | 4320 | 0.32 | 0.55 | 1.22 (1.09 to 1.36) |
| 430 | Subarachnoid haemorrhage | 795 | 0.06 | 0.09 | 1.75 (1.34 to 2.29) |
| 431 | Intracerebral haemorrhage | 844 | 0.06 | 0.11 | 1.34 (1.06 to 1.74) |
| 432 | Other and unspecified intracranial haemorrhage | 837 | 0.06 | 0.10 | 1.25 (0.97 to 1.61) |
| 433 | Occlusion and stenosis of precerebral arteries | 1399 | 0.09 | 0.20 | 1.31 (1.10 to 1.56) |
| 434 | Occlusion of cerebral arteries | 1806 | 0.14 | 0.21 | 1.14 (0.96 to 1.35) |
| 435 | Transient cerebral ischaemia | 1843 | 0.14 | 0.23 | 1.18 (1.01 to 1.38) |
| 436 | Acute, but ill-defined, cerebrovascular disease | 1265 | 0.09 | 0.16 | 1.41 (1.17 to 1.71) |
| 437 | Other and ill-defined cerebrovascular disease | 1885 | 0.15 | 0.22 | 1.17 (0.99 to 1.38) |
| 438 | Late effects of cerebrovascular disease | 1776 | 0.14 | 0.20 | 1.14 (0.10 to 1.36)† |
| 440 | Atherosclerosis | 2144 | 0.14 | 0.31 | 1.72 (1.49 to 2.00) |
| 441 | Aortic aneurysm and dissection | 912 | 0.06 | 0.12 | 2.12 (1.65 to 2.73) |
| 442 | Other aneurysm | 2414 | 0.25 | 0.15 | 1.45 (1.14 to 1.85) |
| 443 | Other peripheral vascular disease | 2963 | 0.20 | 0.42 | 1.36 (1.20 to 1.54) |
| 444 | Arterial embolism and thrombosis | 466 | 0.04 | 0.06 | 1.33 (0.97 to 1.83) |
| 445 | Atheroembolism | 18 | 0.00 | 0.00 | 1.82 (0.11 to 30.34) |
| 446 | Polyarteritis nodosa and allied conditions | 407 | 0.04 | 0.04 | 0.96 (0.64 to 1.45) |
| 447 | Other disorders of arteries and arterioles | 947 | 0.08 | 0.10 | 1.00 (0.79 to 1.28) |
| 448 | Disease of capillaries | 1701 | 0.15 | 0.16 | 1.02 (0.82 to 1.26) |
| 449 | Septic arterial embolism | 148 | 0.02 | 0.01 | 1.39 (0.50 to 3.91) |
| 451 | Phlebitis and thrombophlebitis | 8490 | 0.82 | 0.67% | 1.02 (0.93 to 1.13) |
| 452 | Portal vein thrombosis | 163 | 0.02 | 0.01 | 1.80 (0.84 to 3.86) |
| 453 | Other venous embolism and thrombosis | 4637 | 0.37 | 0.54% | 1.32 (1.18 to 1.47) |
| 454 | Varicose veins of lower extremities | 5323 | 0.47 | 0.51 | 0.96 (0.86 to 1.08) |
| 455 | Haemorrhoids | 20 743 | 1.74 | 2.22 | 1.12 (1.06 to 1.18) |
| 456 | Varicose veins of other sites | 673 | 0.06 | 0.07 | 1.00 (0.72 to 1.40) |
| 457 | Non-infectious disorders of lymphatic channels | 708 | 0.06 | 0.08 | 1.13 (0.85 to 1.51) |
| 458 | Hypotension | 4134 | 0.34 | 0.47 | 1.36 (1.21 to 1.53) |
| Total | 176 624 | 14.09 | 20.37 |
Bold font indicates statistical significance, lower confidence interval greater than 1.
*Logistic regression controlling for the categorical variables: exposure to pregnancy loss, age, race, year of first pregnancy, state of residence at time of first pregnancy, history of diabetes or hyperlipidaemia, and the continuous variables of: total number of months of eligibility, total number of pregnancies, number of live births and number losses prior to and subsequent to a first live birth, and an interaction term for age at first pregnancy and total months of eligibility.
†Low outcome sample.
Pg, pregnancy.