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. Author manuscript; available in PMC: 2023 Dec 1.
Published in final edited form as: Ann Intern Med. 2023 May 9;176(6):751–760. doi: 10.7326/M22-2751

Table 2:

MACE and Heart failure event rates and Adjusted Risk difference and Hazard ratios for those without Cardiovascular disease for GLP1RA and SGLT2i vs DPP4i

DPP4i GLP1RA DPP4i SGLT2i
N at risk in weighted cohort 28,628 28,759 21,170 21,200
N events primary outcome: 482 359 233 186
Composite Major Adverse Cardiovascular
Events and Heart Failure Hospitalization
 Person-Years 27082 26921 15590 14330
 Event Rate/1000 person-years (95% CI) 17.8 (16.3, 19.4) 13.3 (12.0, 14.8) 14.9 (13.1, 17.0) 12.9 (11.2, 14.9)
 Adjusted Risk Difference (95% CI) 3.20 (1.12, 5.01) 1.28 (−1.12, 3.32)
Weighted Unadjusted Hazard Ratio (95% CI) Ref 0.75 (0.67, 0.85) Ref 0.87 (0.74, 1.03)
Adjusted Hazard Ratio (95% CI)* Ref 0.82 (0.72, 0.94) Ref 0.91 (0.78, 1.08)
Secondary Outcomes
N events cardiovascular hospitalization (Acute Myocardial Infarction, Stroke) 189 140 99 89
 Person-Years 27217 27025 15638 14358
 Event Rate/1000 person-years (95% CI) 6.9 (6.0, 8.0) 5.2 (4.4, 6.1) 6.4 (5.2, 7.7) 6.2 (5.0, 7.6)
 Adjusted Risk Difference (95% CI) 0.93 (−0.47, 2.06) .04 (−1.64, 1.36)
Weighted Unadjusted Hazard Ratio (95% CI) Ref 0.75 (0.62, 0.91) Ref 0.98 (0.77, 1.25)
Adjusted Hazard Ratio (95% CI)* Ref 0.87 (0.70, 1.07) Ref 0.99 (0.79, 1.26)
N events cardiovascular death 121 79 61 48
 Person-Years 27348 27113 15700 14400
 Event Rate/1000 person-years (95% CI) 4.4 (3.7, 5.3) 2.9 (2.3, 3.6) 3.9 (3.0, 4.9) 3.4 (2.5, 4.5)
 Adjusted Risk Difference (95% CI) 1.29 (0.26, 2.07) 0.10 (−1.31, 1.12)
Weighted Unadjusted Hazard Ratio (95% CI) Ref 0.66 (0.51, 0.85) Ref 0.88 (0.64, 1.22)
Adjusted Hazard Ratio (95% CI)* Ref 0.71 (0.53, 0.94) Ref 0.98 (0.71, 1.34)
N events heart failure hospitalization 204 153 85 56
 Person-Years 27207 27007 15650 14372
 Event Rate/1000 person-years (95% CI) 7.5 (6.5, 8.6) 5.7 (4.8, 6.6) 5.4 (4.4, 6.7) 3.9 (3.0, 5.0)
 Adjusted Risk Difference (95% CI) 1.47 (0.11, 2.59) 1.27 (−0.13, 2.32)
Weighted Unadjusted Hazard Ratio (95% CI) Ref 0.76 (0.63, 0.91) Ref 0.73 (0.54, 0.97)
Adjusted Hazard Ratio (95% CI)* Ref 0.80 (0.66, 0.99) Ref 0.77 (0.57, 1.02)
Preserved EF ≥50% 25 events 13 events 10 events 4 events
Event Rate/1000 person-years (95% CI) 0.9 (0.6, 1.3) 0.5 (0.3, 0.8) 0.6 (0.3, 1.2) 0.3 (0.1, 0.7)
Midrange EF 40-50% 11 events 7 events 4 events 1 event
Event Rate/1000 person-years (95% CI) 0.4 (0.2, 0.7) 0.3 (0.1, 0.5) 0.3 (0.1, 0.7) 0.1 (0.01, 0.4)
Reduced EF <40% 13 events 11 events 6 events 6 events
Event Rate/1000 person-years (95% CI) 0.5 (0.3, 0.8) 0.4 (0.2, 0.7) 0.4 (0.2, 0.8) 0.4 (0.2, 0.9)
Unknown EF 155 events 122 events 65 events 45 events
Event Rate/1000 person-years (95% CI) 5.7 (4.9, 6.7) 4.5 (3.8, 5.4) 4.2 (3.3, 5.3) 3.1 (2.3, 4.2)
*

Fully adjusted model uses weighted cohort and adjust for all covariates listed in Table 1 All continuous variables were modeled as restricted cubic splines.

The adjusted rate difference is estimated by multiplying the unadjusted incident rate for DPP4i by the adjusted hazard ratio minus 1. Confidence bounds are calculated using the respective bounds from the hazard ratio