Role of urine studies in asymptomatic febrile neutropenic patients presenting to the emergency department

Hady Zgheib, Aline El Zakhem, Cynthia Wakil, Mohamad Ali Cheaito, Rola Cheaito, Antoine Finianos, Ralphe Bou Chebl, Rima Kaddoura, Nader Al Souky, Imad El Majzoub

Table 2 UA results of patients with positive and negative urine cultures at cut-offs ≥105 cfu/mL and ≥104 cfu/mL, n (%)

Variables Cut-off ≥105 cfu/mL Cut-off ≥104 cfu/mL Positive UCs (n=11) Negative UCs (n=273) P-value Positive UCs (n=28) Negative UCs (n=256) P-value Leukocyte esterase Positive Negative 4 (36.4) 7 (63.6) 19 (7.0) 254 (93.0) 0.007 8 (28.6) 20 (71.4) 15 (5.9) 241 (94.1) <0.001 Nitrite Positive Negative 2 (18.2) 9 (81.8) 1 (0.4) 272 (99.6) 0.004 2 (7.1) 26 (92.9) 1 (0.4) 255 (99.6) 0.026 WBC (pyuria) Positive Negative 5 (45.5) 6 (54.5) 35 (12.8) 238 (87.2) 0.011 10 (35.7) 18 (64.3) 30 (11.7) 226 (88.3) 0.001 Bacteria (bacteriuria) Positive Negative 7 (63.6) 4 (36.4) 43 (15.8) 230 (84.2) 0.001 16 (57.1) 12 (42.9) 34 (13.3) 222 (86.7) <0.001 Urine analysis Positive Negative 8 (72.7) 3 (27.3) 68 (24.9) 205 (75.1) 0.002 19 (67.9) 9 (32.1) 57 (22.3) 199 (77.7) <0.001