Table 1.

Changes in key indicators of laboratory results and vital signs—patient 1

Day after symptom onset	CRP (mg/L)	Leucocyte count (×109/L)	Lymphocytes (×109/L)	PCT (ng/mL)	SpO2 (%)	Supplemental oxygen (L/min)	RR (breaths/min)	HR (beats/min)	BP (mmHg)	T (°C)	Comment
10	78	3.1	0.6								Primary care physician’s appointment
20	162	6.18	1.05	0.05	91		14	81	137/98	36.7	First admission
23	29	5.4	1.11		95			68	114/76	36.8	First discharge
33	37	6.18	1.11		92	0–2	24	90	133/75	37.2	Second admission
36	10	4.89			91		12	67	111/80	36.6
37					97		14	64	118/81	36.8	Second discharge
67	1.1	4.4	1.45	<0.05	97			61	116/65	36.3	Third admission
72	14.1	4.12			96			63	126/78	36.3
73					94			60	123/78	36.5	Third discharge
137	0.5	3.94	1.14		97			79	120/80		Follow-up appointment

BP, blood pressure; CRP, C reactive protein; HR, heart rate; PCT, procalcitonin; RR, respiratory rate; SpO₂, oxygen saturation; T, temperature.