Table 2 N (%) of samples with urinary PrCr ≥ 30 mg/mmol according to urinary creatinine concentrations, in current study and two other study cohorts from the same (our) institution
N urine samples | Urinary creatinine concentration N (%) samples | |||
|---|---|---|---|---|
<3 mM | ≥3 mM | p value | ||
Current study (N = 160 women) | ||||
All samples in current study | 233 | 64/68 (94.1%) | 27/165 (16.4%) | <0.001 |
All samples from women with known normal pregnancy outcome | 45 | 13/14 (92.9%) | 0/31 | <0.001 |
Last urine sample from all women | 160 | 47/50 (94.0%) | 17/110 (15.4%) | <0.001 |
Last urine sample from women with known normal pregnancy outcome | 32 | 10/11 (90.9%) | 0/21 | <0.001 |
Last urine sample from women with urinary SG >1.010 | 104 | 9/11 (81.8%) | 12/93 (12.9%) | <0.001 |
Last urine sample excluding samples with dipstick hematuria or leukocytes | 98 | 37/39 (94.9%) | 10/59 (16.9%) | <0.001 |
24 hour completeness cohort [6] (N = 198 women) | ||||
Last sample per woman | 197 | 12/18 (66.7%) | 99/179 (55.3%) | 0.354 |
PIERS study cohort [7] (N = 931 women) | ||||
Spot PrCr (all samples) | N = 601 | N = 1285 | ||
Pyrogallol red proteinuria assay | 2432 | 482/655 (73.6%) | 1089/1777 (61.3%) | <0.001 |
Vitros proteinuria assay | 468 | 119/122 (97.5%) | 196/346 (56.6%) | <0.001 |
24-hour PrCr (all samples) | N = 103 | N = 331 | ||
Pyrogallol red proteinuria assay | 607 | 92/125 (73.6%) | 313/482 (64.9%) | 0.067 |
Vitros proteinuria assay | 43 | 11/11 (100%) | 18/32 (56.3%) | 0.008 |