Table 1. Comparison of demographics, clinical characteristics, underlying diseases of NH-PCP and HIV-PCP patients.

Characteristics	NH-PCP (n = 46)	HIV-PCP (n = 105)	P-Value
Demographics
Age, years	54.67±14.40	37.51±9.41	<0.001
Male gender	28 (60.9)	98 (93.3)	<0.001
Patients according to underlying diseases
Transplant recipients	12 (26.09)	-
Connective tissue diseases	11 (23.91)	-
Hematological diseases	5 (10.87)	1 (0.95)
Malignant hematological diseases	5 (10.87)	-
Benign hematological diseases	-	1 (0.95)
Solid tumor	4 (8.70)	-
Nephrotic syndrome	5 (10.87)	-
Chronic pulmonary diseases	4 (8.70)	-
Other conditions	5 (10.87)	-
Symptomology and clinical presentation		-
Cough	37 (80.4)	79 (75.2)	0.49
Dyspnea	36 (78.3)	84 (80.0)	0.81
Fever	41 (89.1)	95 (90.5)	0.78
Chest pain	3 (6.5)	14 (13.3)	0.22
Loss of weight	12 (26.1)	65 (61.9)	<0.001
Pneumothorax	2 (4.3)	4 (3.8)	1.00
Laboratory results
Hgb, g/L	116.00±25.69	119.69±22.02	0.37
Lymphopenia,%	32 (69.6)	71 (67.6)	0.81
TP,g/L	56.63±8.67	72.07±9.54	<0.001
ALB,g/L	26.75±6.20	31.96±5.63	<0.001
LDH,u/L	338.00 (175.00–531.00)	297.80 (188.50–879.00)	0.80
Pct(n = 37/54),ng/ml	0.14 (0.05–17.18)	0.08 (0.05–62.37)	0.71
CRP (n = 34/98),mg/dl	21.62 (0.19–160.00)	53.30 (1.30–260.40)	<0.001
ESR (n = 39/100),mm/h	33.85±19.95	62.92±28.00	<0.001
CD4 T cell count (n = 27/92),cells/µl	182.00 (17.00–847.00)	22.00 (2.00–151.00)	<0.001
CD8 T cell count (n = 27/92),cells/µl	224.00 (29.00–484.00)	411.00 (76.00–1017.00)	<0.001
CD4/CD8 (n = 27/92),%	1.51 (0.1–3.69)	0.05 (0.01–0.38)	<0.001

Data are presented as medians (range) or numbers (%) or mean ± SD, as appropriate. ALB  =  albumin; CRP  =  C-reactive protein; ESR  =  erythrocyte sedimentation rate; Hgb  =  hemoglobin; LDH  =  lactate dehydrogenase; Pct  =  procalcitonin; TP  =  total protein.