Provincial Maternal Mortality Surveillance Systems in China

Table 4

Time trend of provincial disparities on MMR in six provinces.

	1999 RR (95% CI)	2004 RR (95% CI)	2008 RR (95% CI)
Coast region
Shanghai	1	1	1
Liaoning	2.06 (0.94–4.53)	1.48 (0.70–3.14)	2.26 (0.96–5.28)
Inland region
Henan	4.75 (2.39–9.44)*	4.23 (2.06–8.68)*	3.21 (1.39–7.43)*
Chongqing	5.14 (2.63–10.02)*	6.87 (3.39–13.92)*	5.10 (2.24–11.61)*
Remote region
Gansu	6.71 (3.32–13.56)*	7.96 (3.85–16.47)*
Qinghai	8.32 (4.07–17.00)*	9.36 (4.51–19.44)*	7.32 (3.11–17.27)*

^∗𝑃<0.01; no requisite data was available for calculate the Gansu to Shanghai RR in 2008.