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Table 2 24-hours urine collection

From: Abnormal increase in urinary aquaporin-2 excretion in response to hypertonic saline in essential hypertension

   

t-test

U Na (ÎĽmol min -1 )

HS

Patients

203 (179; 227)§

P = 0.215

 

Controls

226 (195; 257)§

 

LS

Patients

42 (31; 53)

P = 0.494

 

Controls

47 (35; 59)

 

u-EnaC β-CR (pg μmol -1 )

HS

Patients

14.33 (12.30; 16.37)

P = 0.980

 

Controls

14.37 (12.34; 16.40)

 

LS

Patients

12.54 (11.35; 13.74)

P = 0.084

 

Controls

14.19 (13.00; 15.38)

 

V (ml min -1 )

HS

Patients

2702 (2331; 3074)

P = 0.628

 

Controls

2828 (2442; 3213)

 

LS

Patients

2991 (2721; 3260)

P = 0.207

 

Controls

2715 (2353; 3078)

 

u-AQP2 CR (ng mmol -1 )

HS

Patients

143 (117; 168)§

P = 0.781

 

Controls

147 (129; 165)§

 

LS

Patients

101 (89; 114)

P = 0.192

 

Controls

112 (101; 122)

 

u-osm (mOsm kg -1 )

HS

Patients

405 (363; 447)§

P = 0.409

 

Controls

436 (372; 499)§

 

LS

Patients

221 (204; 238)

P = 0.026

 

Controls

306 (231; 381)

 
  1. Values are means with 95% confidence intervals in brackets. UNa, urinary sodium excretion rate; u-ENaCβ -CR, urinary ENaCβ excretion corrected for creatinine; V, urinary flow; u-AQP2CR, urinary AQP2 excretion corrected for creatinine; u-osm, urine osmolality; t-test: patients compared with controls, Student's t-test. § P < 0.001, HS vs. LS intake, paired samples t-test.
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BMC Nephrology

ISSN: 1471-2369

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