Table 11β Coefficients for the 12 Treatment Groups in QOL ANOVA (Table 9) and SAT ANOVA (Table 10)

ParameterQOL included in modelSAT included in model
β coefficientaP valueβ coefficientaP value
Intercept4.274.0003.951.000
Insulin A.180.033.317.000
Insulin B.307.001.247.005
Oral combination1.378.0001.186.000
Oral combination + insulin−.284.019−.167.158
Rosiglitazone monotherapy.182.204NA
Metformin + glibenclamide.005.963−.043.666
Glibenclamide + metformin−.360.000−.406.000
Insulin + glibenclamide−.217.035−.164.095
Insulin + metformin−.455.000−.476.000
Metformin + insulin−.279.005−.186.055
Metformin + sulfonylurea + Insulin−.178.079−.136.165
Metformin + sulfonylurea + rosiglitazoneReferenceReference
Age−.016.000−.014.000
Baseline HbA1c.465.000.507.000
QOL, symptom distressb−.030.018----
QOL, health ratingb−.057.000----
SAT, effectivenessb----−.092.000
SAT, adverse effectsb----.023.045

Abbreviations: ANOVA, analysis of variance; HbA1c, hemoglobin A1c; NA, not applicable; QOL, quality of life; SAT, treatment satisfaction.

aPositive β coefficients indicate that the diabetes regimen or value leads to a higher HbA1c at treatment end point, whereas negative β coefficients indicate a lower HbA1c.

bHigher score is better.

From: Benchmarking the Comparative Effectiveness of Diabetes Treatments Using Patient-Reported Outcomes and Socio-Demographic Factors

Cover of Benchmarking the Comparative Effectiveness of Diabetes Treatments Using Patient-Reported Outcomes and Socio-Demographic Factors
Benchmarking the Comparative Effectiveness of Diabetes Treatments Using Patient-Reported Outcomes and Socio-Demographic Factors [Internet].
Testa MA, Su M, Turchin A, et al.
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