Some risk factors were analyzed using a small number of studies (<10 studies), including marital status, hypertriglyceridemia, hypercholesterolaemia, high LDLc, low HDLc, anemia, history of stroke, history of CVD, family history of CKD, family history of HT, physical activity, NSAIDs use, and CD4 cell count in HIV patients. The gene discussed is CD4; the disease is chronic kidney disease.