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Table 4 Regional disparities of cause-specific preventable maternal mortality in China's different regions, 1996-2000 and 2001-2005

From: Preventable maternal mortality: Geographic/rural-urban differences and associated factors from the population-based maternal mortality surveillance system in China

Cause Preventable proportion (%) Cause-specific mortality (per 100 000 live births) Adjusted RRa(95% CI)*
  Coastal Inland Remote Coastal Inland Remote Coastal Inland Remote
1996-2000          
Hemorrhage 84(34.71) 317(48.40) 364(59.19) 7.37 25.62 71.73 1 2.96(2.32-3.78) 7.84(6.10-10.08)
Pregnancy-induced hypertension 35(14.46) 94(14.35) 82(13.33) 3.07 7.60 16.16 1 2.19(1.47-3.26) 4.58(3.00-6.98)
Amniotic fluid embolism 32(13.22) 41(6.26) 12(1.95) 2.81 3.31 2.36 1 1.07(0.66-1.71) 0.79(0.41-1.54)
Cardiac disorders 32(13.22) 63(9.62) 37(6.02) 2.81 5.09 7.29 1 1.60(1.04-2.46) 2.20(1.35-3.58)
Puerperal infection 4(1.65) 24(3.66) 43(6.99) 0.35 1.94 8.47 1 3.92(1.43-10.73) 15.88(6.01-41.92)
Hepatic diseases 13(5.37) 17(2.60) 12(1.95) 1.14 1.37 2.36 1 1.12(0.55-2.27) 1.59(0.71-3.53)
2001-2005          
Hemorrhage 72(51.80) 268(50.85) 196(54.14) 6.97 21.88** 40.01** 1 2.59(1.98-3.39) 4.75(3.57-6.32)
Pregnancy-induced hypertension 18(12.95) 70(13.28) 50(13.81) 1.74*** 5.72*** 10.21 1 2.72(1.61-4.60) 4.80(2.78-8.30)
Amniotic fluid embolism 14(10.07) 32(6.07) 16(4.42) 1.36 2.61 3.27 1 1.62(0.86-3.06) 1.96(0.95-4.07)
Cardiac disorders 6(4.32) 54(10.25) 31(8.56) 0.58*** 4.41 6.33 1 6.44(2.73-15.20) 9.06(3.66-22.46)
Puerperal infection 1(0.72) 18(3.42) 17(4.70) 0.10 1.47 3.47*** 1 6.41(1.03-39.82) 16.44(2.65-102.15)
Hepatic diseases 2(1.44) 10(1.90) 7(1.93) 0.19 0.82 1.43 1 2.69(0.53-13.52) 5.00(0.79-31.57)
  1. Note. CI = confidence interval.
  2. aRR = risk ratio
  3. * Adjusted for urban-rural areas using CMH.
  4. ** P < 0.001
  5. ***P < 0.05