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. 2022 Mar 12;58(3):420. doi: 10.3390/medicina58030420

Table 4.

Comparative analysis of the GFR and CKD frequency between the invasive surgical events and the age in patients with NL.

Characteristic, n (%) Age ≤ 50 Years Old
128 (62.7)
Age > 50 Years Old
76 (37.3)
≤2 Surgical Events
96 (75.0)
>2 Surgical Events
32 (25.0)
p-Value ≤2 Surgical Events
57 (75.0)
>2 Surgical Events
19 (25.0)
p-Value
GFR (mL/min/1.73 m2) 75.00(45.95–100.90) 48.30 (17.80–85.60) <0.001 57 ± 29.56 54.17 ± 25.72 0.954
CKD 17 (17.7) 20 (62.5) <0.001 32 (56.1) 10 (52.6) 0.783

The parameter was analysed by Mann–Whitney U-test expressed by median and quartile, and by mean ± standard deviation using Student’s t-test. The CKD frequency was analysed using the Mantel–Haenszel Chi-square test. GFR: Glomerular filtration rate; CKD: chronic kidney disease.