Table 1.

Patient Characteristics and the Ct Value of Posterior Oropharyngeal Saliva Collected at Different Time Points in a Single Day

Patient Number	Gender	Age, y	Interval Between Symptom Onset & POS Collection, d	Interval Between Hospitalization & POS Collection, d	Ct Value of NPS on Admission	CXR abnormality on day of admission	Ct Value of POS Time Point 1	Ct Value of POS Time Point 2	Ct Value of POS Time Point 3	Ct Value of POS Time Point 4	Ct Value of POS Time Point 5	Remarks
1	F	39	13	12	33.91	Nil	32.7	33.98	34.72	ND	35.59
2	F	18	31	30	29.63	Nil	ND	34.6	ND	ND	ND	Swollen right parotid gland on CT, no ductal stone
3	M	23	18	18	31.36	Nil	35.64	ND	36.49	ND	ND
4	F	20	4	4	30.86	Nil	32.52	ND	ND	ND	33.66
5	F	37	22	18	19.06	Nil	ND	32.8	35.97	35.58	34.33
6	M	61	33	6	35.17	Nil	28.58	ND	34.33	32.15	ND
7	F	33	18	17	18.90	Nil	ND	ND	ND	ND	ND
8	F	35	18	17	17.71	Nil	ND	ND	ND	ND	ND
9	M	53	10	7	30.18	Nil	29.22	30.55	29.31	31.87	32.71
10	F	20	No Sx	13	31.00	Nil	35.12	34.53	ND	ND	ND
11	F	38	15	5	19.96	Nil	28.99	31.51	33.22	ND	34.85
12	F	51	25	25	26.55	Nil	34.46	ND	36.1	ND	ND
13	M	48	No Sx	11	36.60	Nil	ND	ND	ND	ND	ND
14	M	55	18	14	18.75	Right lower zone haziness	33.18	35.31	27.51	32.16	ND
15	M	22	11	9	35.88	Nil	34.52	ND	ND	ND	ND
16	M	53	12	9	21.54	Bilateral lower zone haziness	30.74	32.12	30.12	31.43	a
17	F	60	19	9	26.26	Nil	32.32	33.85	34.62	30.95	32.88
18	M	38	23	6	24.67	Nil	31.11	24.85	a	a	32.22

Time points: (1) early morning (first thing in the morning upon awakening, before teeth brushing, mouth rinsing, and eating breakfast); (2) before lunch; (3) at 3 o’clock in the afternoon; (4) before dinner; and (5) before bedtime (before teeth brushing).

Abbreviations: Ct, cycle threshold; CT, computed tomography; CXR, chest x-ray; ND, not detected; No Sx, no symptoms throughout disease course; NPS, nasopharyngeal swab; POS, posterior oropharyngeal saliva.

^aPatient forgot to save posterior oropharyngeal saliva at these time points.