Interrupted Time Series Analysis for Mean Hemoglobin A1c Levels
HbA1c, % (95% CI) | ||||
---|---|---|---|---|
Parameter | All Patients | White | Black | South Asian |
Pre-QOF trend | −0.21 (−0.23 to −0.18)a | −0.20 (−0.24 to −0.17)a | −0.21 (−0.27 to −0.15)a | −0.20 (−0.26 to −0.15)a |
Level change post-QOF | 0.04 (−0.04 to 0.12) | 0.07 (−0.04 to 0.18) | −0.12 (−0.29 to 0.04) | 0.18 (0.02 to 0.34)b |
Post-QOF trend | 0.19 (0.15 to 0.22)a | 0.21 (0.16 to 0.26)a | 0.21 (0.14 to 0.29)a | 0.11 (0.04 to 0.18)a |