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Table 1 Mean of demographic, clinical, and laboratory indices in relation to presence and pattern of abnormalities on DMSA scan

From: Demographic, clinical, and laboratory factors associated with renal parenchymal injury in Iranian children with acute pyelonephritis

Demographic/Clinical factora DMSA scansb p-value DMSA scansb p-value DMSA scansb p-value
RPI
(Abnormal, n = 43)
No RPI (Normal, n = 24) RPI in LKCs
(n = 14)
RPI in RKCs
(n = 12)
RPI in both (n = 17) Unilateral
(n = 26) RPI
Bilateral
(n = 17) RPI
Age (month) 46.56 ± 42.58 38.75 ± 33.61 0.477 46.10 ± 32.31 45.97 ± 25.69 47.52 ± 18.51 0.821 46.04 ± 29.52 47.52 ± 18.51 0.852
BMI (kg/m2) 16.06 ± 1.99b 17.37 ± 3.24a 0.045* 15.90 ± 2.74a 16.47 ± 1.61a 14.08 ± 1.74b 0.041* 16.17 ± 1.70a 14.08 ± 1.74b 0.039*
Fever (°C) 38.85 ± 0.51 38.86 ± 0.43 0.972 38.93 ± 0.61 38.86 ± 0.49 38.91 ± 0.42 0.905 38.89 ± 0.43 38.91 ± 0.42 0.916
HS (day) 4.95 ± 2.80 4.50 ± 2.43 0.509 5.12 ± 1.78 4.81 ± 2.09 5.05 ± 3.20 0.532 5.52 ± 2.42 5.05 ± 3.20 0.608
ESR (mm/h) 49.55 ± 29.54 47.84 ± 24.11 0.728 41.65 ± 16.58 44.09 ± 21.36 38.95 ± 24.60 0.053 42.77 ± 18.53 38.95 ± 24.61 0.062
CRP (mg/L) 56.90 ± 37.59 59.45 ± 33.28 0.784 58.54 ± 32.14 56.36 ± 34.21 59.40 ± 41.70 0.755 57.53 ± 35.79 59.40 ± 41.73 0.689
WBC (× 109/L) 14.21 ± 5.40 13.35 ± 5.18 0.528 13.51 ± 4.92 13.29 ± 5.23 14.75 ± 4.50 0.092 13.40 ± 5.92 14.75 ± 04.50 0.796
Hb (g/dL) 10.77 ± 1.26 11.21 ± 1.08 0.161 10.72 ± 1.05 10.81 ± 1.07 10.83 ± 1.50 0.212 10.76 ± 1.35 10.83 ± 1.50 0.405
BUN (mg/dL) 12.20 ± 5.21 11.37 ± 3.97 0.465 12.86 ± 5.84 11.77 ± 6.02 12.79 ± 5.35 0.422 12.35 ± 5.32 12.79 ± 5.35 0.523
SCr (mg/dL) 0.60 ± 0.16a 0.54 ± 0.09b 0.034* 0.63 ± 0.03a 0.58 ± 0.02b 0.55 ± 0.15b 0.047* 0.61 ± 0.09 0.55 ± 0.15 0.044*
eGFR (mL/min/1.73 m2) 65.87 ± 16.25 66.72 ± 14.76 0.829 66.67 ± 9.75 64.40 ± 11.01 63.38 ± 14.74 0.836 65.60 ± 15.33 63.38 ± 14.74 0.687
Hb (g/dL) 11.1 ± 0.9a 11.8 ± 1.2b 0.048* 10.4 ± 0.6a 10.9 ± 0.8b 11.2 ± 0.8b 0.049* 10.6 ± 0.7a 11.2 ± 0.8b 0.045*
  1. * p-values less than 0.05 are statistically significant
  2. aBMI body mass index, HS hospitalization stay, ESR erythrocyte sedimentation rate, CRP C-reactive protein, WBC white blood cell, Hb hemoglobin, BUN blood urea nitrogen, SCr serum creatinine, eGFR estimated glomerular filtration rate
  3. bRPI renal parenchymal injury, LKCs left kidney changes, RKCs right kidney changes