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Table 3 Number of deaths at national level with unusable codes and percent in each category of unusable code

From: Improving quality of medical certification of causes of death in health facilities in Tanzania 2014–2019

Year

Number of deaths with unusable code

Signs, symptoms, Ill-defined COD (Cat 1)

Impossible COD (Cat 2)

Intermediate COD (Cat 3)

Immediate COD (Cat 4)

Insufficiently specified COD (Cat 5)

% Total unuseable codes

2014

9536

0.3%

3.4%

29.8%

0.0%

66.5%

100%

2015

14,531

0.3%

1.4%

37.3%

0.0%

61.1%

100%

2016

14,607

0.2%

0.9%

37.6%

0.0%

61.3%

100%

2017

15,115

0.4%

1.0%

43.3%

0.0%

55.4%

100%

2018

11,574

11.4%

1.6%

36.8%

0.0%

50.2%

100%

Mean

13,073

2.5%

1.7%

37.0%

0.0%

58.9%

100%