Lack of evidence for viral etiology in symptomatic chronic kidney disease of unknown etiology (CKDu) in Sri Lanka.

Individuals with well water exposure had a numerically higher risk of loss of eGFR (23% of patients with well water exposure had loss of eGFR of at least 4 ml/min/1.73 m 2 per year compared to 11% of the non-well users); however, this finding did not reach statistical significance.

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