Table 3. MMR changes in the leading causes of maternal deaths by each priority county group in China, 1999–2007.

	Obstetric hemorrhage		Pregnancy-induced hypertension		Amniotic fluid embolism		Infection
	N	MMR	N	MMR	N	MMR	N	MMR
County Group 1
1999	1208	80.45	205	13.65	119	7.93	68	4.53
2000	1145	74.73	196	12.79	110	7.18	48	3.13
2001	888	57.95	166	10.83	77	5.03	41	2.68
2002	804	54.62	149	10.12	94	6.39	54	3.67
2003	797	55.33	130	9.02	69	4.79	58	4.03
2004	690	48.34	133	9.32	52	3.64	57	3.99
2005	623	43.8	129	9.07	29	2.04	61	4.29
2006	537	36.91	116	7.97	34	2.34	66	4.54
2007	384	25.58	112	7.46	26	1.73	78	5.20
Reduction rate (%)	−68.20		−45.36		−78.15		14.72
AARR (%)	−11.25 (95%CI: −12.25–10.23)		−6.61 (95%CI: −8.95–4.20)		−17.80 (95%CI: −21.10–14.37)		8.12 (95%CI: 3.91–12.50)
County Group 2
2001	84	45.84	15	8.19	4	2.18	14	7.64
2002	75	41.25	19	10.45	4	2.20	14	7.70
2003	68	37.08	11	6.00	5	2.73	6	3.27
2004	74	37.74	19	9.69	1	0.51	13	6.63
2005	49	24.84	11	5.58	1	0.51	12	6.08
2006	27	12.85	8	3.81	4	1.90	8	3.81
2007	32	14.66	6	2.75	1	0.46	8	3.66
Reduction rate (%)	−68.02		−66.42		−79.01		−52.03
AARR (%)	−18.03 (95%CI: −22.01–13.84)		−15.59 (95%CI: −24.06–6.19)		−17.76 (95%CI: −34.33-2.99)		−10.51 (95%CI: −20.08-0.23)
County Group 3
2004	633	28.71	171	7.76	33	1.50	134	6.08
2005	478	20.33	141	6.00	21	0.89	127	5.40
2006	373	15.37	128	5.28	15	0.62	131	5.40
2007	316	12.37	86	3.37	7	0.27	136	5.32
Reduction rate (%)	−56.91		−56.59		−81.69		−12.40
AARR (%)	−24.90 (95%CI: −28.02–21.65)		−22.44 (95%CI: −28.26–16.15)		−40.42 (95%CI: −52.21–25.74)		−4.05 (95%CI: −10.96-3.74)

N: Number of maternal deaths.

MMR: Maternal Mortality Ratio (per 10,000 live births).