Table 3 Parameter estimates (95% confidence intervals) from sensitivity analyses for average HbA1c (mmol/mol) levels over the follow-up
Baseline level at 01/2015 | Pre-policy change trend in 01/2014–12/2016 | Change in level at the time of the policy change in 01/2017 | Post-policy change trend in 02/2017–9/2019 | |
|---|---|---|---|---|
Primary result | 52.40 (51.88 to 52.91) | 0.07 (0.04 to 0.09) | 0.81 (0.04 to 1.58) | 0.03 (− 0.03 to 0.08) |
Results from sensitivity analyses when... | ||||
...excluding 01/2017 | 52.52 (51.50 to 53.54) | 0.06 (0.02 to 0.10) | 1.00 (−0.01 to 2.01) | 0.03 (−0.07 to 0.13) |
...excluding 01–02/2017 | 52.44 (51.89 to 53.00) | 0.06 (0.04 to 0.09) | 0.72 (−0.13 to 1.57) | 0.04 (−0.02 to 0.10) |
...excluding 01–03/2017 | 52.81 (51.79 to 53.23) | 0.06 (0.03 to 0.10) | 0.76 (−0.31 to 1.83) | 0.04 (−0.04 to 0.12) |
...excluding 01–04/2017 | 52.55 (51.82 to 53.28) | 0.06 (0.02 to 0.09) | 0.99 (−0.10 to 2.07) | 0.04 (−0.05 to 0.12) |
...excluding 01–05/2017 | 52.59 (51.53 to 53.66) | 0.05 (0.01 to 0.10) | 1.28 (0.14 to 2.41) | 0.03 (−0.08 to 0.15) |
...excluding 01–06/2017 | 52.76 (51.73 to 53.80) | 0.04 (0.00 to 0.09) | 1.37 (−0.05 to 2.79) | 0.04 (−0.09 to 0.16) |
...applying 2-month time windows | 53.04 (52.64 to 53.44) | 0.09 (0.05 to 0.12) | 0.86 (0.28 to 1.44) | 0.06 (−0.01 to 0.12) |
...restricting the population to those who survived until Oct 1, 2019 (n = 7669) | 51.95 (51.46 to 52.45) | 0.07 (0.05 to 0.10) | 1.00 (0.25 to 1.75) | 0.03 (−0.02 to 0.09) |