CKD stage progression from the first observation to the last observation.

<p><b>(1,630 patients).</b> Shaded bars represent stable patients whereas those below the shaded bars represent improved CKD stage, and those above the bars represent patients whose CKD stage progressed.</p

Association between process of care and progression of CKD.

<p>Association between process of care and progression of CKD.</p

Study flow.

<p>Study flow.</p

Baseline of characteristics of patients with the two or more and with only a single observation.

<p>Baseline of characteristics of patients with the two or more and with only a single observation.</p

Association between clinical targets of care and progression of CKD.

<p>Association between clinical targets of care and progression of CKD.</p