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Table 2 Epidemiological Characteristics of Death Cases and Cases not Dead in Wuhan

From: The comparison of epidemiological characteristics between confirmed and clinically diagnosed cases with COVID-19 during the early epidemic in Wuhan, China

Characteristics Confirmed Cases Clinically Diagnosed Cases P
Death (%) Not Dead (%) Case Fatality Rate (%) Death (%) Not Dead (%) Case Fatality Rate (%)
Total 1564 28322 5.2 257 21703 1.2 <0.001
Age, median (IQR a), years 70.0(63.0–79.0) 56.0(53.0–66.0) —— 70.0(62.0–78.0) 54.0(40.0–65.0) —— ——
Age group, years
 0~ 0(0.0) 186(0.7) 0.0 0(0.0) 220(1.0) 0.0 ——
 10~ 1(0.1) 225(0.8) 0.4 1(0.4) 172(0.8) 0.6 1.000
 20~ 6(0.4) 1365(4.8) 0.4 1(0.4) 1411(6.5) 0.1 0.120
 30~ 20(1.3) 3700(13.1) 0.5 3(1.2) 3277(15.1) 0.1 0.001
 40~ 49(3.1) 4386(15.5) 1.1 9(3.5) 3727(17.2) 0.2 <0.001
 50~ 175(11.2) 6172(21.8) 2.8 34(13.2) 4817(22.2) 0.7 <0.001
 60~ 455(29.1) 7223(25.5) 5.9 77(30.0) 4930(22.7) 1.5 <0.001
 70~ 473(30.2) 3506(12.4) 11.9 80(31.1) 2205(10.2) 3.5 <0.001
 80~ 300(19.2) 1371(4.8) 18.0 45(17.5) 794(3.7) 5.4 <0.001
 ≥90 52(3.3) 165(0.6) 24.0 6(2.3) 115(0.5) 5.0 <0.001
 Missing 33(2.1) 23(0.1) 58.9 1(0.4) 35(0.2) 2.8 <0.001
Sex
 Male 1026(65.6) 14033(49.5) 6.8 177(68.9) 9988(46.0) 1.7 <0.001
 Female 538(34.4) 14289(50.5) 3.6 80(31.1) 11715(54.0) 0.7 <0.001
Occupation
 Child and student 2(0.1) 437(1.5) 0.5 0(0.0) 482(2.2) 0.0 0.227
 Cadre 31(2.0) 1458(5.1) 2.1 4(1.6) 1115(5.1) 0.4 <0.001
 Freelancer 6(0.4) 197(0.7) 3.0 1(0.4) 193(0.9) 0.5 0.143
 Physical labor 19(1.2) 693(2.4) 2.7 4(1.6) 637(2.9) 0.6 0.004
 Public service staff 23(1.5) 1793(6.3) 1.3 2(0.8) 1475(6.8) 0.1 <0.001
 Housework or unemployed 267(17.1) 5417(19.1) 4.7 57(22.2) 5344(24.6) 1.1 <0.001
 Retirees 753(48.1) 9259(32.7) 7.5 104(40.5) 6010(27.7) 1.7 <0.001
 Farmer or pastoral worker 51(3.3) 1339(4.7) 3.7 15(5.8) 987(4.5) 1.5 0.001
 Healthcare worker 12(0.8) 1176(4.2) 1.0 2(0.8) 1209(5.6) 0.2 0.007
 Missing 400(25.6) 6553(23.1) 5.8 68(26.5) 4251(19.6) 1.6 <0.001
Case severity
 Mild 603(38.6) 17589(62.1) 3.3 79(30.7) 11247(51.8) 0.7 <0.001
 Moderate 69(4.4) 4079(14.4) 1.7 31(12.1) 7415(34.2) 0.4 <0.001
 Severe 477(30.5) 4801(17.0) 9.0 73(28.4) 2676(12.3) 2.7 <0.001
 Critical 210(13.4) 613(2.2) 25.5 39(15.2) 276(1.3) 12.4 <0.001
 Missing 205(13.1) 1240(4.4) 14.2 35(13.6) 89(0.4) 28.2 <0.001
Date of onset
 Before Dec 31, 2019 29(1.9) 106(0.4) 21.5 4(1.6) 88(0.4) 4.3 <0.001
 Jan 1–10, 2020 132(8.4) 459(1.6) 22.3 9(3.5) 379(1.7) 2.3 <0.001
 Jan 11–20, 2020 392(25.1) 2529(8.9) 13.4 30(11.7) 1951(9.0) 1.5 <0.001
 Jan 21–31, 2020 769(49.2) 12733(45.0) 5.7 95(37.0) 7646(35.2) 1.2 <0.001
 Feb 1–10, 2020 215(13.7) 9385(33.1) 2.2 84(32.7) 8499(39.2) 1.0 <0.001
 Feb 11–20, 2020 26(1.7) 2732(9.6) 0.9 32(12.5) 3140(14.5) 1.0 0.796
 Feb 21–24, 2020 0(0.0) 355(1.3) 0.0 0(0.0) 0(0.0) —— ——
 Missing 1(0.1) 23(0.1) 4.2 3(1.2) —— 0.0 ——
Days from onset to diagnosis, median (IQR) 10.0(7.0–14.0) 9.0(4.0–13.0) —— 8.0(3.0–15.0) 11.0(5.0–18.0) —— ——
District of residence
 City centre 1208(77.2) 22560(79.6) 5.1 169(65.8) 16834(77.6) 1.0 <0.001
 Suburb 227(14.5) 5350(18.9) 4.1 58(22.6) 4697(21.6) 1.2 <0.001
 Outside Wuhan 33(2.1) 306(1.1) 9.7 1(0.4) 172(0.8) 0.6 <0.001
 Missing 96(6.1) 106(0.4) 47.5 29(11.3) —— —— ——
Level of hospital
 Tertiary hospital 1254(80.2) 20368(71.9) 5.8 205(79.8) 18393(84.7) 1.1 <0.001
 Primary / secondary hospital 310(19.8) 7856(27.8) 3.8 52(20.2) 3310(15.3) 1.5 <0.001
 Missing —— 98(0.3) —— —— —— —— ——
  1. aIQR interquartile range