Table 4 Person-time features of study participants in heart failure patients with at selected South Wollo general Hospitals, Ethiopia, 2022

(0 - 5]

2838

6

0.00211416

(0.0009498–0.0047059)

(5 - 10]

2775

25

0.00900901

(0.0060875–0.0133327)

(10 - 15]

2598

41

0.01578137

(0.0116201–0.0214329)

(15 - 20]

2405

40

0.01663202

(0.0122–0.0226742)

(20 - 25]

2247

21

0.00934579

(0.0060935–0.0143339)

(30 - 25]

2140

18

0.00841121

(0.0052994–0.0133502)

Total

15,003

151

0.01006465

(0.0085808–0.0118051)