Table 7

Comparison of urinary amino acid concentrations between polytrauma patients on day 5 and healthy volunteers
Amino acids D5 HV HV-D5 mean or median differences [CI95%]
(μmol/lL) Mean ± SD Mean ± SD
Taurine 324 ± 301 944 ± 597 619.36 [87.15; 1151.57]
Aspartic acid 12 ± 15 8 ± 2 -4.45 [-14.94; 6.03]
Threonine a 778 ± 382 105 ± 23 -672.79 [-944.09; -401.49]
Serine a 841 ± 429 242 ± 42 -598.42 [-903.86; -292.97]
Asparagine a 459 ± 240 72 ± 17 -387.51 [-557.85; -217.18]
Glutamic acid 57 ± 49 10 ± 7 -46.82 [-81.78; -11.85]
Glutamine a 864 ± 365 326 ± 76 -538.03 [-803.53; -272.53]
Glycine a 2049 ± 985 879 ± 211 -1170.10 [-1888.18; -452.03]
Alanine a 390 ± 202 240 ± 56 -123.41 [-268.06; 21.25] b
Citrulline 73 ± 57 15 ± 5 -58.67 [-98.89; -18.44]
Valine 79 ± 46 36 ± 9 -43.29 [-76.66; -9.91]
Cystine 225 ± 209 35 ± 9 -189.76 [-337.97; -41.56]
Methionine a 9 ± 8 5 ± 6 -4.23 [-11.74; 3.28]
Isoleucine 22 ± 16 17 ± 4 -5.13 [-17.04; 6.78]
Leucine 52 ± 32 18 ± 3 -34.34 [-57.07; -11.61]
Tyrosine 222 ± 134 76 ± 30 -146.75 [-244.35; -49.16]
Phenylalanine 258 ± 187 55 ± 10 -202.73 [-334.94; -70.51]
Ornithine 99 ± 132 7 ± 2 -93.38 [-173.72; -13.05] b
Histidine 1267 ± 575 543 ± 159 -724.23 [-1151.22; -297.24]
Lysine 1542 ± 1993 104 -1437.41 [-2849.66; -25.15]
Arginine 54 ± 64 11 ± 95 29.48 [-86.49; 145.45]

D5 on day 5, HV healthy volunteers.

a Amino acids known to be particularly important during growth in urine for E. coli (personal data and [11,17,18,24].

b Medians difference and Hodges-Lehmann 95% Confidence Interval.

Aubron et al.

Aubron et al. BMC Infectious Diseases 2012 12:330   doi:10.1186/1471-2334-12-330

Open Data