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Table 2 Breed, sex, age, serum creatinine concentration, UPC ratio, SBP and IRIS stage in cats for each CIN grade

From: Immune-complex glomerulonephritis in cats: a retrospective study based on clinico-pathological data, histopathology and ultrastructural features

Variable CIN grade # of cats (%)
1 2 3
Breed: DSH vs. purebred
 absolute number 6 vs. 2 10 vs. 3 9 vs. 1
  (%) (75 vs. 25) (76.9 vs. 23.1) (90 vs. 10)
Sex: SF vs. NM
 absolute value 4 vs. 4 8 vs. 5 7 vs. 3
  (%) (50 vs. 50) (61.5 vs. 38.5) (70 vs. 30)
Age (years)
 mean ± sd 11.6 ± 3.8 9.8 ± 2.6 11.8 ± 3.6
  (median; range) (12.5; 6–17) (10; 5–14) (13; 4–15)
Creatinine (mg/dL)
 mean ± sd 1.5 ± 0.8 4 ± 2.9 4.8 ± 0.9
  (median; range) (1.3; 0.6–3.2) (3.1; 1–11) (4.6; 3.4–6.2)
UPC ratio
 mean ± sd 1.5 ± 0.5 2.7 ± 0.7 3.3 ± 0.6
  (median; range) (1.5; 1–2.3) (2.6; 1.7–4.3) (3.1; 2.6–4.5)
SBP (mmHg)
 mean ± sd 145 ± 7 149 ± 28 164 ± 37
  (median; range) (145; 140–150) (140; 120–190) (180; 110–200)
IRIS stage: 1 vs 2 vs 3 vs 4 5 vs 2 vs 1 vs 0 2 vs 4 vs 3 vs 4 0 vs 0 vs 7 vs 3
 absolute value (62.5 vs 25.0 vs (15.4 vs 30.8 vs (0 vs 0 vs 70 vs 30)
  (%) 12.5 vs 0.0) 23.1 vs 30.8)  
  1. CIN, chronic interstitial nephritis; DSH, domestic short-haired; SF, spayed female; NM, neutered male; sd, standard deviation; UPC, urine protein-to-creatinine; SBP, systolic blood pressure; IRIS, International Renal Interest Society