an increasing trendP = .01
Before the guideline introduction, there was an increasing trend in 6-month BP follow-up (316 of 2400 patients [13.2%] to 746 of 3466 patients [21.5%]; β = 0.116; 95% CI, 0.029 to 0.203; P = .01) and 1-year BP follow-up (657 of 2400 patients [27.4%] to 1227 of 3466 patients [35.4%]; β = 0.134; 95% CI, 0.047 to 0.221; P = .003).