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Table 3 Indicator information added through free-text

From: Exploring the role narrative free-text plays in discrepancies between physician coding and the InterVA regarding determination of malaria as cause of death, in a malaria holo-endemic region

 

Representative Sample

N = 493

Physician Malaria Sub-group

N = 1035

Model Malaria Sub-group

N = 332

 

counts without free-text

added counts1

counts without free-text

added counts1

counts without free-text

added counts1

 

N

N (%)

N

N (%)

N

N (%)

was death very sudden or unexpected

81

4 (0.8)

204

12 (1.2)

10

2 (0.6)

did s/he drown

0

5 (1.0)

.

 

.

 

any poisoning, bite, sting

0

6 (1.2)

0

3 (0.3)

0

8 (2.4)

any headache

86

8 (1.6)

121

21 (2.0)

101

6 (1.8)

any stiff neck

29

1 (0.2)

207

4 (0.4)

13

6 (1.8)

any rigidity/lockjaw

77

4 (0.8)

394

15 (1.4)

43

2 (0.6)

any chest pain

86

3 (0.6)

72

5 (0.5)

53

4 (1.2)

any abdominal pain

105

7 (1.4)

117

25 (2.4)

91

7 (2.1)

any diarrhoea with blood

102

9 (1.8)

222

8 (0.8)

53

4 (1.2)

any abdominal swelling

0

27 (5.5)

0

45 (4.3)

0

38 (11.4)

any yellowness/jaundice

0

27 (5.5)

0

80 (7.7)

0

14 (4.2)

any urinary retention

11

5 (1.0)

14

1 (0.1)

6

3 (0.9)

any swelling of ankles/legs

9

25 (5.1)

8

30 (2.9)

3

29 (8.7)

any skin lesions or ulcers

43

32 (6.5)

42

39 (3.8)

29

33 (9.9)

any rash (non-measles)

23

1 (0.2)

20

1 (0.1)

21

4 (1.2)

any acute fever

215

2 (0.4)

755

13 (1.3)

.

 

any facial swelling

4

8 (1.6)

1

8 (0.8)

2

7 (2.1)

any anaemia/ paleness

0

13 (2.6)

0

51 (4.9)

0

11 (3.3)

any drowsiness

268

9 (1.8)

526

14 (1.4)

220

6 (1.8)

any diagnosis of heart disease

0

12 (2.4)

0

9 (0.9)

0

19 (5.7)

any surgery just before death

7 (1.4)

6 (1.2)

0

1 (0.1)

0

3 (0.9)

  1. 1added counts = additional number of observations for which indicators were set after incorporation of free-text
  2. All indicators which changed between 0 and 1%: was she pregnant at death; did pregnancy end < 6 weeks; did final illness last < 3 weeks; did final illness last at least 3 weeks; had s/he fallen recently; any obvious recent injury; any convulsions or fits; any diagnosis of epilepsy; was the fontanelle raised; was the fontanelle sunken; paralysis on both sides; any chest indrawing; cough for up to 3 weeks; cough for > 3 weeks; any rapid breathing; any difficulty breathing; any breast lump or lesion; any wheezing; any abdominal mass; any acute diarrhoea; any vomiting; any abnormality of urine; any haematuria; no bilateral swelling of ankle; any measles rash; any excessive water intake; any excessive urination; any persistent fever; any enlarged/swollen glands; was there a comma > 24 hours; any weight loss; any diagnosis of hypertension; any diagnosis of liver disease