Table 5.

eGFR decline per year according to CKD stage

CKD stage	Total		Male		Female
	n	eGFR decline/year (mL/min/1.73 m2/year)	n	eGFR decline/year (mL/min/1.73 m2/year)	n	eGFR decline/years (mL/min/1.73 m2/years)
3a	352	1.97 ± 4.00	214	2.58 ± 4.53	138	1.03 ± 2.74‡
3b	230	2.15 ± 3.49	147	2.42 ± 3.60	83	1.66 ± 3.24
4	188	3.48 ± 3.60***,††	120	3.79 ± 3.48*,†	68	2.93 ± 3.77***,†

* p < 0.05, *** p < 0.001 vs. CKD stage 3a; ^† p < 0.05, ^†† p < 0.01 vs. CKD stage 3b (ANOVA, Tukey post hoc test)

^‡ p < 0.001 vs. male by unpaired t test