Skip to main content

Table 1 Characteristics of the study sample by COVID-19 mortality status

From: Predicting COVID-19 mortality risk in Toronto, Canada: a comparison of tree-based and regression-based machine learning methods

 

All

Alive

Died

P-value

 

n=49216

n=47278

n=1938

 

Age

   

<0.001

19 and younger

5439 (11.1%)

5438 (100.0%)

1 (0.02%)

 

20 to 29 Years

9635 (19.6%)

9634 (100.0%)

1 (0.01%)

 

30 to 39 Years

7889 (16.0%)

7887 (100.0%)

2 (0.03%)

 

40 to 49 Years

6955 (14.1%)

6944 (99.8%)

11 (0.16%)

 

50 to 59 Years

7161 (14.6%)

7101 (99.2%)

60 (0.84%)

 

60 to 69 Years

4684 (9.52%)

4511 (96.3%)

173 (3.69%)

 

70 to 79 Years

2593 (5.27%)

2257 (87.0%)

336 (13.0%)

 

80 to 89 Years

2854 (5.80%)

2166 (75.9%)

688 (24.1%)

 

90 and older

2006 (4.08%)

1340 (66.8%)

666 (33.2%)

 

Gender

   

0.002

Female

25192 (51.2%)

24205 (96.1%)

987 (3.92%)

 

Male

23670 (48.1%)

22746 (96.1%)

924 (3.90%)

 

Unknown

354 (0.72%)

327 (92.4%)

27 (7.63%)

 

Ever Hospitalized

   

<0.001

No

45604 (92.7%)

44663 (97.9%)

941 (2.06%)

 

Yes

3612 (7.34%)

2615 (72.4%)

997 (27.6%)

 

Ever in ICU

   

<0.001

No

48500 (98.5%)

46853 (96.6%)

1647 (3.40%)

 

Yes

716 (1.45%)

425 (59.4%)

291 (40.6%)

 

Ever Intubated

   

<0.001

No

48770 (99.1%)

47044 (96.5%)

1726 (3.54%)

 

Yes

446 (0.91%)

234 (52.5%)

212 (47.5%)

 

Population Density:

   

<0.001

(1.04e+03,3.2e+03)

12461 (25.3%)

11893 (95.4%)

568 (4.56%)

 

(3.2e+03,4.89e+03)

12274 (24.9%)

11715 (95.4%)

559 (4.55%)

 

(4.89e+03,7.2e+03)

12889 (26.2%)

12470 (96.7%)

419 (3.25%)

 

(7.2e+03, 44.32e+03)

11592 (23.6%)

11200 (96.6%)

392 (3.38%)

 

Average Income:

   

<0.001

(2.38e+04,2.75e+04)

12490 (25.4%)

12196 (97.6%)

294 (2.35%)

 

(2.75e+04,2.98e+04)

12964 (26.3%)

12446 (96.0%)

518 (4.00%)

 

(2.98e+04,3.79e+04)

11503 (23.4%)

10967 (95.3%)

536 (4.66%)

 

(3.79e+04, 19.34e+04)

12259 (24.9%)

11669 (95.2%)

590 (4.81%)

 

Daily Mean Temperature

   

<0.001

(-8.9,-1.2)

1937 (3.94%)

1879 (97.0%)

58 (2.99%)

 

(-1.2,0.7)

3081 (6.26%)

2980 (96.7%)

101 (3.28%)

 

(0.7,8.4)

19772 (40.2%)

18672 (94.4%)

1100 (5.56%)

 

(8.4, 28.4)

24426 (49.6%)

23747 (97.2%)

679 (2.78%)