|
Case
|
1
|
2
|
3
|
4
|
5
|
6
|
7
|
8
|
9
|
10
|
11
|
12
|
Proportion (%)
|
|---|
|
Maternal characteristics
|
|
Age (yrs)
|
26
|
36
|
30
|
24
|
24
|
24
|
31
|
18
|
32
|
32
|
22
|
31
|
NA
|
|
Gravidity
|
1
|
5
|
2
|
1
|
1
|
1
|
2
|
1
|
2
|
3
|
1
|
2
|
NA
|
|
Parity
|
0
|
1
|
1
|
0
|
0
|
0
|
1
|
0
|
1
|
2
|
0
|
0
|
NA
|
|
GA (weeks)
|
18
|
21+ 4
|
22+ 5
|
25
|
29
|
31+ 3
|
32+ 3
|
34
|
34+ 4
|
36
|
36+ 4
|
38+ 6
|
NA
|
|
Anemia
|
–
|
–
|
+
|
+
|
+
|
+
|
–
|
–
|
–
|
+
|
+
|
–
|
6/12(50)
|
|
Symptoms
|
|
Fever
|
+
|
+
|
+
|
+
|
+
|
+
|
+
|
+
|
+
|
+
|
+
|
+
|
12/12(100)
|
|
Dyspnea
|
+
|
+
|
+
|
+
|
+
|
+
|
+
|
+
|
+
|
+
|
+
|
+
|
12/12(100)
|
|
Cough
|
–
|
–
|
+
|
+
|
+
|
+
|
+
|
+
|
–
|
+
|
–
|
+
|
8/12(67)
|
|
Malaise
|
–
|
–
|
+
|
+
|
–
|
–
|
–
|
–
|
–
|
–
|
+
|
–
|
3/12(25)
|
|
Headache
|
–
|
+
|
–
|
–
|
–
|
–
|
–
|
–
|
–
|
–
|
+
|
–
|
2/12(17)
|
|
Investigations
|
|
CXR/CT evidence
|
+
|
+
|
+
|
+
|
+
|
+
|
+
|
+
|
+
|
+
|
+
|
+
|
12/12(100)
|
|
Leukocytosis
|
+
|
–
|
–
|
+
|
–
|
+
|
+
|
+
|
+
|
–
|
+
|
–
|
7/12(58)
|
|
PaO2/FIO2
|
212
|
200
|
191
|
141
|
207
|
190
|
148
|
73
|
156
|
209
|
133
|
220
|
NA
|
|
Fever to diagnosis (d)
|
8
|
7
|
68
|
7
|
23
|
5
|
4
|
7
|
10
|
4
|
6
|
4
|
NA
|
|
Pathogen
|
–
|
H7N9
|
TB
|
–
|
TB
|
–
|
–
|
–
|
–
|
–
|
H1N1
|
RSV
|
NA
|
- NA not applicable, GA gestational age, CXR chest X-ray, CT computed tomography, TB tuberculosis, RSV respiratory syncytial virus
