Flowchart of the study participants.

<p><b>Abbreviations</b>: eGFR: estimated glomerular filtration rate; BP: blood pressure; HT: hypertension; aTRH: apparent treatment-resistant hypertension; cHT: controlled HT; ucHT: uncontrolled hypertension with ≤ 2 antihypertensive drugs; Persistent cHT: controlled hypertension during the 4-year follow-up; Persistent ucHT: uncontrolled hypertension with ≤ 2 antihypertensive drugs during the 4-year follow-up.