Characteristics and pregnancy outcomes of patients with severe pneumonia complicating pregnancy: a retrospective study of 12 cases and a literature review

Table 1 Maternal characteristics and clinical presentations

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

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