Table 2

Outcomes

OutcomeQuintile 1 HbA1C ≤6.4% (n = 1,264)Quintile 2 6.4% < HbA1C ≤7.1% (n = 1,152)Quintile 3 7.1% < HbA1C ≤7.8% (n = 1,092)Quintile 4 7.8% < HbA1C ≤9.0% (n = 1,198)Quintile 5 HbA1C >9.0% (n = 1,109)
Death, n (%)316 (25.0)265 (23.0)193 (17.7)269 (22.5)257 (23.2)
 Unadjusted HR (95% CI)1.000.89 (0.76–1.05, p = 0.17)0.67 (0.56–0.80, p < 0.001)0.87 (0.74–1.03, p = 0.11)0.91 (0.77–1.07, p = 0.26)
 Adjusted HR (95% CI)1.000.96 (0.81–1.13, p = 0.63)0.73 (0.61–0.88, p = 0.001)0.96 (0.81–1.13, p = 0.61)1.06 (0.90–1.26, p = 0.48)
HF hospitalization, n (%)168 (13.3)151 (13.1)169 (15.5)196 (16.4)202 (18.2)
 Unadjusted HR (95% CI)1.000.96 (0.77–1.20, p = 0.72)1.14 (0.92–1.41, p = 0.24)1.22 (0.99–1.49, p = 0.06)1.39 (1.13–1.70, p = 0.002)
 Adjusted HR (95% CI)1.001.01 (0.81–1.26, p = 0.96)1.14 (0.92–1.41, p = 0.25)1.11 (0.90–1.37, p = 0.34)1.17 (0.94–1.44, p = 0.16)

CI = confidence interval; HR = hazard ratio; other abbreviations as in Table 1.

  • Quintile 1 is the reference group.

  • Text describes multivariable model.