. Author manuscript; available in PMC: 2019 Mar 1.

Published in final edited form as: Obstet Gynecol. 2018 Mar;131(3):441–450. doi: 10.1097/AOG.0000000000002479

Table 2.

Administration of Antihypertensive Medications by Preeclampsia Diagnosis

	2006	2007	2008	2009	2010	2011	2012	2013	2014	2015	Total
All preeclampsia (n)

All patients	20464	21374	21536	23638	25184	28119	31108	31565	29795	6671	239454
Nifedipine	2926	3199	3220	3617	3876	4531	5018	5377	5419	1263	38446
IV labetalol	2708	2966	3098	3560	3912	4497	5452	5979	6382	1589	40143
Oral labetalol	4152	4675	4909	5958	6745	8024	9271	9621	9348	2043	64746
Hydralazine	2624	2822	2830	3457	3787	4313	4904	5137	5025	1043	35942
>1 medication	3366	3738	3822	4574	5128	6000	6999	7531	7684	1740	50582

Severe preeclampsia (n)

All patients	6325	6767	6864	7685	8429	9567	11048	11213	10869	2464	81231
Nifedipine	1350	1492	1451	1649	1833	2194	2496	2622	2745	634	18466
IV labetalol	1428	1621	1664	1921	2151	2432	3050	3313	3663	934	22177
Oral labetalol	1875	2173	2233	2629	3019	3575	4303	4373	4323	954	29457
Hydralazine	1381	1508	1505	1869	2060	2327	2733	2817	2804	612	19616
>1 medication	1780	2012	2060	2425	2744	3191	3830	4076	4219	966	27303

Superimposed preeclampsia (n)

All patients	2112	2354	2580	3113	3259	3786	4149	4652	4577	1046	31628
Nifedipine	593	645	760	871	880	1112	1224	1324	1439	319	9167
IV labetalol	548	609	664	800	852	1057	1242	1364	1468	369	8973
Oral labetalol	1015	1124	1458	1587	1965	2204	2429	2468	536	15690	904
Hydralazine	544	582	609	781	907	1047	1207	1298	1316	248	8539
>1 medication	783	855	927	1144	1268	1565	1781	1931	2062	445	12761

Mild preeclampsia (n)

All patients	12027	12253	12092	12840	13496	14766	15911	15700	14349	3161	126595
Nifedipine	983	1062	1009	1097	1163	1225	1298	1431	1235	310	10813
IV labetalol	732	736	770	839	909	1008	1160	1302	1251	286	8993
Oral labetalol	1373	1487	1552	1871	2139	2484	2764	2819	2557	553	19599
Hydralazine	699	732	716	807	820	939	964	1022	905	183	7787
>1 medication	803	871	835	1005	1116	1244	1388	1524	1403	329	10518