Table 2.
Epidemiological Characteristics of Death Cases and Cases not Dead in Wuhan
| 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) | —— | —— | —— | —— | —— |
aIQR interquartile range