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Table 4 HRV adjusted Lag0-4 cumulative effect of ST-height associated with 10 μg/m3 increment of PM2.5.

From: Acute effects of fine particulate air pollution on ST segment height: A longitudinal study

ST Variable Regression Coefficients (SE) and 95% CI
  Log-HF 95% CI Log-LF 95%CI SDNN 95% CI RMSSD 95% CI
ST-I 0.31 (0.03,0.58) 0.31 (0.03,0.58) 0.29 (0.02,0.57) 0.31 (0.03,0.58)
ST-II 0.77 (0.24,1.30) 0.77 (0.24,1.30) 0.73 (0.20,1.26) 0.78 (0.25,1.31)
ST-III 0.47 (0.02,0.92) 0.47 (0.02,0.92) 0.45 (0.01,0.90) 0.48 (0.03,0.93)
ST-aVF 0.61 (0.14,1.08) 0.61 (0.14,1.08) 0.58 (0.11,1.05) 0.62 (0.15,1.10)
ST-V6 0.57 (0.07,1.08) 0.57 (0.07,1.08) 0.56 (0.05,1.06) 0.58 (0.07,1.08)
  1. Adjusted for age, sex, race, temperature, relative humidity, diabetes, hypertension, CVD, and each of the HRV indices.