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. 2022 Jun 13;64(1):5463. doi: 10.4102/safp.v64i1.5463

TABLE 3.

Tertiary involvement and outcomes of patients with acute myocardial infarction.

Characteristics STEMI (n = 49)
NSTEMI (n = 47)
All patients (n = 96)
Odds of STEMI compared to NSTEMI
n % Mean ± s.d. n % Mean ± s.d. n % Mean ± s.d. OR 95% CI p
Tertiary care
Transferred during admission 12 24.5 - 2 4.3 - 14 14.6 - 7.3 1.5–34.7 0.012
Patients booked for cardiology 35 71.4 - 33 70.2 - 68 70.8 - 1.1 0.4–2.6 0.896
Angiography done 16 32.7 - 6 12.8 - 22 22.9 - 3.3 1.2–9.4 0.025
MIBI 22 44.9 - 12 25.5 - 34 35.4 - 2.4 1.0–5.6 0.05
CABG done 5 10.2 - 1 2.1 - 6 6.25 - - - -
Immediate complications
Arrhythmia 6 12.24 - 5 10.6 - 11 11.4 - 1.2 0.3–4.1 0.805
Cardiogenic shock 5 10.20 - 1 2.1 - 6 6.2 - 5.2 0.6–46.5 0.138
Post infarct angina 1 2.0 - 2 4.2 - 3 3.1 - 0.5 0.0–5.3 0.541
Pulmonary oedema 0 0.0 - 2 4.2 - 2 2.1 - 0.2 0.0–3.9 0.279
Recurrent MI 4 8.2 - 3 6.4 - 7 7.3 - 1.3 0.3–6.2 0.738
CCF 4 8.2 - 6 12.8 - 10 10.4 - 0.6 0.2–2.3 0.464
CVA 0 0.0 - 1 2.1 - 1 1.0 - 0.3 0.0–7.9 0.481
LV thrombus 2 4.1 - 0 0.0 - 2 2.1 - 5.0 0.2–107 0.303
Total 22 44.5 - 20 42.5 - 4 43.8 - 1.1 0.5–2.5 0.817
Immediate in-hospital outcome (including at transfer hospital)
Alive 40 81.6 - 44 93.6 - 84 87.5 - 0.3 0.1–1.2 0.089
Demised 9 18.4 - 3 6.4 - 12 12.5 - 3.3 0.8–13.1 0.089
30-day outcome in patients with follow up investigations
Echo EF 29 - 48.6 ± 7.1 26 - 50.9 ± 11.4 55 - 49.7 ± 9.4 - - 0.360
EF < 45% 8 27.6 - 6 23.1 - 14 25.5 - 1.2 0.4–3.9 0.768
EF ≥ 45% 21 72.4 - 20 76.9 - 41 74.5 - 0.9 0.4–2.1 0.883
30-day outcome in patients with follow up – NYHA class
Class I 17 44.7 - 14 33.3 - 31 38.8 - 1.3 0.6–3.1 0.488
Class II 14 36.8 - 17 40.5 - 31 38.8 - 0.9 0.4–2.1 0.825
Class III 4 10.5 - 3 7.1 - 7 8.8 - 1.5 0.3–7.0 0.626
Class IV 1 2.6 - 0 0.0 - 1 1.3 - 3.3 0.1–83.7 0.467
Unknown 2 5.3 - 8 19 - 10 12.5 - 0.3 0.1–1.4 0.118
30-day outcome in patients with follow up – CCS class§
Class I 26 68.4 - 23 54.8 - 31 38.8 - 1.3 0.6–2.5 0.540
Class II 8 21.1 - 11 26.2 - 31 38.8 - 0.8 0.3–2.2 0.672
Class III 2 5.3 - 0 0.0 - 7 8.8 - 5.5 0.3–119 0.275
Unknown 2 5.3 - 8 19 - 10 12.5 - 0.3 0.1–1.4 0.118

OR, odds ratio; CI, confidence interval; STEMI; ST Elevation Myocardial Infarction; NSTEMI, Non ST Elevation Myocardial Infarction; MIBI, myocardial perfusion imaging scan; CABG, coronary artery bypass graft; MI, myocardial infarction; CCF, congestive cardiac failure; CVA, cerebrovascular accident; LV, left ventricular; EF, ejection fraction

, 30-day outcome in patients with follow up investigations: STEMI – n = 29, NSTEMI – n = 26, All patients– n = 55;

, 30-day outcome in patients with follow up – NYHA Class: STEMI – n = 38, NSTEMI – n = 42, All patients – n = 80;

§

, 30-day outcome in patients with follow up – CCS Class: STEMI – n = 38, NSTEMI – n = 42, All patients – n = 80.