Table 4.

Serum SP-D and Urine KIM-1 levels in AKI patients and healthy controls

	Median (IQR) serum SP-D (ng/ml)			Median (IQR) Urine KIM-1 (ng/ml)
Time	Day 1	Day 3	Day 7	Day 1
AKI patients, n(%)	142.4(128.5–158.5)c	342.2(323.2–356.1)a	134.8(125.6–146.5)b	1.37(1.14–1.58)c
Controls, n(%)	80.36(74.27–88.68)	NA	NA	0.47(0.23–0.64)

^aCompared with Day 1,significant difference was observed. P less than 0.01

^bCompared with Day 3, significant difference was observed. P less than 0.01

^cCompared with healthy controls, significant difference was observed. P less than 0.01