Table 3.
Comparison of demographic variables and medication regimen complexity between patients with nonischemic cardiomyopathy versus ischemic cardiomyopathy
NISCM (n=60) |
ISCM (n=85) |
P-value | |
---|---|---|---|
Demographics | |||
Age, years | 71±7 | 74±8 | 0.05 |
Men | 32 (53.3%) | 61 (71.8%) | 0.02 |
Caucasian | 43 (71.7%) | 74 (87%) | 0.02 |
Hispanic | 3 (5%) | 4 (4.7%) | 1 |
NYHA functional class | |||
I | 16 (26.7%) | 8 (9.4%) | 0.03 |
II | 13 (21.7%) | 27 (31.8%) | |
III | 13 (21.7%) | 27 (31.8%) | |
IV | 18 (30%) | 23 (27%) | |
Total medication count | 12.2±4.5 | 14.1±4.9 | 0.008 |
Heart failure prescription count | 3.2±1.2 | 3.2±1.4 | 0.51 |
Percentage of total medication count | 26% | 23% | |
Other prescription count | 5.7±3.7 | 7.3±3.4 | 0.008 |
Percentage of total medication count | 47% | 52% | |
OTC medication count | 3.3±2 | 3.6±2.6 | 0.37 |
Percentage of total medication count | 27% | 25% | |
Total pMRCI score | 28.8±12.7 | 34.5±15.2 | 0.009 |
Heart failure prescription pMRCI score | 7.3±3.4 | 7.2±3.4 | 0.99 |
Percentage of total pMRCI score | 25% | 21% | |
Other prescription pMRCI score | 15.4±11.5 | 19.8±12 | 0.02 |
Percentage of total pMRCI score | 53% | 57% | |
OTC medication pMRCI score | 6.1±3.5 | 7.5±5.6 | 0.05 |
Percentage of total pMRCI score | 22% | 22% | |
Categories | |||
On 0–10 total medications | 21 (35%) | 20 (23.5%) | 0.07 |
On 11–15 total medications | 28 (46.7%) | 35 (41.1%) | |
On ≥16 total medications | 11 (18.3%) | 30 (35.3%) |
Notes: Data expressed as mean ± standard deviation or n (%). Medication counts and pMRCI scores were compared between groups using generalized linear model analysis, with NYHA functional class and sex as covariates.
Abbreviations: ISCM, ischemic cardiomyopathy; NISCM, nonischemic cardiomyopathy; NYHA, New York Heart Association; OTC, over-the-counter; pMRCI, patient-level Medication Regimen Complexity Index.