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Table 2 Primary analysis, baseline covariates after matching

From: Testosterone replacement therapy and the risk of adverse cardiovascular outcomes and mortality

Matching Variable

Comparison Group

(No TRTa)

N = 210

Treatment Group

(TRTa)

N = 165

P-value

Standardized Mean Difference

Median First Testosterone, ng/dL (IQR)

173 (146, 198)

179 (153, 203)

0.397

0.265

Median Second Testosterone, ng/dL (IQR)

170 (142, 198)

172 (138, 193)

0.798

0.085

Median Income, United States Dollars (IQR)

54,468 (47,300, 69,769)

59,311 (45,124, 70,631)

0.612

0.440

Median Age, years (IQR)

55 (49, 61.7)

55 (49, 62)

0.815

0.033

Diabetes (N, %)

88 (41.9%)

67 (40.6%)

0.800

0.026

Tobacco Use (N, %)

1 (0.5%)

1 (0.6%)

0.864

0.018

LDL > 130 mg/dL

18 (8.6%)

20 (12.2%)

0.258

0.117

Median LDL, mg/dL (IQR)

92 (73, 114)

91 (68, 113)

0.458

0.058

Hypertension (N, %)

142 (67.6%)

111 (67.3%)

0.943

0.007

Statin (N, %)

106 (50.5%)

86 (52.1%)

0.752

0.033

BMI ≥ 30 kg/m2

192 (91.9%)

144 (87.3%)

0.191

0.135

Median BMI, kg/m2 (IQR)

36.3 (32.1, 40.8)

35.6 (32.1, 40.1)

0.290

0.291

Previous Cardiovascular Disease (N, %)

36 (17.1%)

33 (20.0%)

0.478

0.074

Charlson Comorbidity Index (N, %)

  

0.532

0.117

0

86 (41%)

61 (37%)

  

1

46 (21.9%)

44 (26.7%)

  

> 1

78 (37.1%)

60 (36.3%)

  

Composite Outcome (N, %)

16 (7.6%)

12 (7.3%)

  

Myocardial Infarction (N, %)

3 (1.4%)

4 (2.4%)

  

Stroke (N, %)

10 (4.8%)

6 (3.6%)

  

Death (N, %)

3 (1.4%)

2 (1.2%)

  
  1. aTRT: Testosterone Replacement Therapy
  2. IQR: Interquartile range
  3. LDL: Low-density lipoproteins
  4. BMI: Body mass index
  5. Patients were matched by age, median income, diabetes, tobacco, hypertension, LDL, stain, aspirin, body mass index (BMI), previous cardiovascular disease (previous acute myocardial infarction or acute cerebrovascular accident, or cerebrovascular or cardiovascular disease), and Charlson Comorbidity Index. Median matched exposure time was 1 month (IQR: 0, 4), max 78 months
  6. A patient treated with TRT with X months of exposure time between baseline and the initiation of treatment was matched to a comparison group patient (no TRT) that had more than X months of follow up since baseline. This period of time (X months) is the matched exposure time