Table 2

Univariate Distributions of Patient Characteristics: Urinalysis

CharacteristicNo. (% of Total)Culture Result, No.Positive Culture, %a
PositiveNegative
Total196 (100)1207661
Dipstick
Blood
 Negative35 (18)112431
 Trace38 (20)152339
 1+29 (14)20969
 2+36 (19)261072
 3+58 (30)481082
Leukocytes
 Negative39 (20)102926
 Trace15 (8)51033
 1+47 (24)311666
 2+35 (18)27877
 3+60 (31)471378
Nitrate positive
 No133 (68)607345
 Yes62 (32)60395
Sediment
Bacteria, No./HPF
 None52 (27)183435
 Few48 (24)271756
 Many53 (27)401375
 Very many43 (22)35881
Leukocytes, No./HPF
 026 (13)62023
 1–332 (16)92328
 4–1018 (9)9950
 11–2024 (12)141058
 ≥2096 (49)821485
Dipslide
CLED medium, CFU/mL
 <10364 (33)214333
 103–10432 (16)102231
 104–10510 (5)6460
 ≥10590 (46)83792
  • CFU = colony-forming unit; CLED = cystine lactose electrolyte deficient; HPF = high-power field.

  • a Percentages represent the fraction of positive cultures for the corresponding characteristic.