Table 1 Epidemiological and clinical characteristics of the 561 fatal cases with SARS-COV-2 infection as of 29 March 2020, the mainland of China

Age, years, median (IQR)

73 (64–81)

73 (65–80)

73 (64–81)

0.586

 <10

0 (0)

0 (0)

0 (0)

0.373

 10–

0 (0)

0 (0)

0 (0)

 20–

1 (0.18)

1 (0.85)

0 (0)

 30–

10 (1.78)

3 (2.54)

7 (1.58)

 40–

12 (2.14)

1 (0.85)

11 (2.48)

 50–

61 (10.87)

49 (11.06)

 60–

144 (25.67)

30 (25.42)

114 (25.73)

 70–

161 (28.70)

38 (32.20)

123 (27.77)

 ≥80

172 (30.66)

33 (27.97)

139 (31.38)

Sex, n (%)

0.829

 Female

214 (38.15)

44 (37.29)

170 (38.37)

 Male

347 (61.85)

74 (62.71)

273 (61.63)

Interval from disease onset to diagnosis, days, median (IQR)

8 (3–14)

6 (2–9)

10 (4–15)

<0.001

 1–5

168 (29.95)

46 (38.98)

122 (27.54)

<0.001

 6–10

157 (27.99)

47 (39.83)

110 (24.83)

 >10

236 (42.07)

25 (21.19)

211 (47.63)

Interval from disease onset to admission, days, median (IQR)

6 (2–11)

6 (2–8)

6 (2–11)

0.054

 1–5

255 (45.45)

59 (50.00)

196 (44.24)

0.003

 6–10

137 (24.42)

38 (32.20)

99 (22.35)

 >10

169 (30.12)

21 (17.80)

148 (33.41)

Severity of disease

<0.001

 Mild

222 (39.57)

6 (5.08)

216 (48.76)

 Severe

339 (60.43)

112 (94.92)

227 (51.24)

Clinical course, median (IQR)

15 (9–22)

17 (10–25)

14 (9–22)

0.028

 Mild

15 (9–23)

17 (5–32)

15 (9–22)

0.847

 Severe

15 (9–22)

17 (10–25)

14 (9–21)

0.025