Clinical features of probable severe acute respiratory syndrome in Beijing

Table 1 Positive rates of symptoms in our study cohort (%).

Variable	1–3 d	4–7 d	8–11 d	12 d-	15 d-	22 d-	29 d-
Chill	12.6	9.34	4.32	2.4	1.43	0.31	0.57
Rigor	4.29	2.39	0.61	1.05	0.29	0	0.19
Fatigue	33.85	27.59	22.65	14.16	3.3	8.47	4.32
Headache	21.34	12.03	7.45	3.18	13.88	1.99	1.89
Arthralgia	16.01	9.64	5.31	3.53	2.87	2.31	2.29
Myalgia	22.17	13.23	7.63	5.38	4.3	2.92	1.52
Diarrhea	9.88	12.09	5	3.71	3.14	1.8	2.7
Cough	23.76	24.18	29.18	28.68	20.85	8.02	4.23
Sputum production	8.02	14.26	13.09	11.36	8.56	3.08	2.01
Chest distress	8.43	21.04	31.83	35.23	35.34	26.09	17.15
Breath shortness	8.24	9.23	15.65	20.35	18.01	7.12	5.01
Rales	6.2	4.78	5.08	4.65	3.12	1.25	1.01

Table 2 Abnormal rate (%) and value of hematology in our study cohort.

Variable	1 d-	4 d-	8 d-	12 d-	15 d-	22 d-	29 d-
WBC
Abnormal rate	22.56	38.93	16.45	8.44	6.44	6.81	8.66
Mean	5.15	4.75	7.46	4.75	8.42	8.22	7.33
SD	2.56	2.73	4.21	4.83	3.96	3.76	3.49
Lymphocyte
Abnormal rate	70.25	78.81	58.9	45.21	39.29	25.8	29.94
Mean	1.11	1.19	1.50	1.70	1.75	1.87	1.74
SD	0.51	0.64	0.81	0.91	0.92	0.94	0.75
CD8
Abnormal rate	68.42	80.33	75.81	67.35	51.58	48.15	35.42
Mean	307.23	244.14	306.19	318.28	453.06	534.37	511.31
SD	274.19	182.34	251.53	227.91	433.46	428.46	269.11
CD3
Abnormal rate	68.42	87.1	82.26	71.43	60	54.43	49.94
Mean	690.97	568.03	711.48	787.24	1 068.9	1 184.5	1 148.3
SD	576.36	434.18	515.14	559.83	788.19	713.17	620.1
CD4
Abnormal rate	69.05	84.38	72.58	60.78	48.42	44.44	36
Mean	367	295.28	377.66	430.92	582.21	656.78	670.32
SD	300.64	248.96	326.16	325.07	464.04	576.2	447.19

Table 3 Abnormal rates of chest radiographs in our study cohort.

Variable	1 d-	4 d-	8 d-	12 d-	15 d-	22 d-	29 d-
Abnormal rate X-ray	96.65	94.3	97.04	80.68	74.96	64.98	56.37
Multifocal opacities X-ray	11.45	15.19	25.44	25.18	20.38	15.82	16.56
Abnormal rate CT	95.45	95.92	95.56	91.67	84.21	73.97	82
Multifocal opacities CT	21.88	28.21	42.5	37.5	24.14	20.31	20.19