Table 2.

Absolute reabsorption (AR) upstream to the early distal tubule as well as delivery (D) to the early distal tubule of fluid and electrolyte in control and diabetic ratsa

VariableControl (n = 30/5)Diabetes Mellitus (n = 31/6)
aData are mean ± SEM. n = number of nephrons/number of rats.
bP < 0.05 versus control.
AR-fluid (nl/min)34 ± 144 ± 2b
AR-Na+ (nmol/min)6.1 ± 0.37.3 ± 0.2b
AR-Cl- (nmol/min)4.7 ± 0.25.6 ± 0.2b
AR-K+ (pmol/min)186 ± 7206 ± 7b
D-Na+ (pmol/min)241 ± 18183 ± 17b
D-Cl- (pmol/min)228 ± 20162 ± 16b
D-K+ (pmol/min)14 ± 110 ± 1b