Fig. 1From: The association of kidney function with repetitive breath-hold diving activities of female divers from Korea, HaenyeoPrevalence of chronic kidney disease (CKD) before and after propensity score (PS) matching in women divers (gray column) and non-divers (white column). CKD was still more prevalent in Female divers than non-divers after PS matching (12.6% vs 8.0%; P = 0.004)Back to article page