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Table 2 Relationship between dipstick test results and P/Cr test results

From: Urinary protein-to-creatinine ratio in pregnant women after dipstick testing: prospective observational study

 

P/Cr test

Dipstick test results

SPIP(%)

[P] (mg/dL)

[Cr] (mg/dL)

Negative/equivocal (n = 877)

   

SPIP present (n = 77)

8.8

18.3 (4.0–323)a

45.0 (11.0–194)a

SPIP absent (n = 800)

 

5.0 (0.0–50.0)

69.5 (10.0–446)

Positive with 1+ (n = 934)

   

 SPIP present (n = 201)

21.5

42.0 (6.0–302)a

71.0 (8.7–286)a

 SPIP absent(n = 733)

 

19.0 (1.0–101)

165 (10.0–831)

Positive with 2+ (n = 252)

   

 SPIP present (n = 200)

79.4

100 (25.0–704)a

105 (18.0–312)a

 SPIP absent (n = 52)

 

28.0 (1.0–119)

202 (27.0–598)

Positive with 3+ (n = 149)

   

 SPIP present (n = 147)

98.7

331 (12.0–6170)a

128 (10.0–401)a

 SPIP absent (n = 2)

 

79.5 (46.0–113)

383 (259–507)

  1. [P], protein concentration; [Cr], creatinine concentration; SPIP, significant proteinuria in pregnancy defined as P/C > 0.27
  2. a, P < 0.05 vs. samples without SPIP