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. Author manuscript; available in PMC: 2012 Nov 15.
Published in final edited form as: J Chromatogr B Analyt Technol Biomed Life Sci. 2011 Sep 22;879(30):3497–3506. doi: 10.1016/j.jchromb.2011.09.031

Table 6. Drug concentrations in patient samples.

Subject ID Sample no. Piperacillin ng/mL Tazobactam ng/mL Ampicillin ng/mL Meropenem ng/mL Acyclovir ng/mL Metronidazole ng/mL
1 1 28200 1260 346 BLD BLD BLD
1 2 49850 2725 BLD BLD BLD BLD
1 3 48000 2820 438 BLD BLD BLD
2 1 24300 2730 BLD BLD BLD BLD
2 2 53400 6800 BLQ BLD BLD BLD
3 1 42600 7290 55400 BLD BLD BLD
4 1 52000 16200 3330 BLD BLD 13700
4 2 47300 11900 23100 BLD BLD 21800
4 3 BLD BLD BLQ BLD BLD BLD
4 4 BLD BLD BLD BLD BLD BLD
4 5 32750 6450 BLD BLD BLD 7050
4 6 85600 15480 602 BLD BLD 8000
4 7 37500 7720 BLD BLD BLD 1060
5 1 3640 BLQ BLQ BLQ BLD BLD
5 2 4920 BLQ BLQ BLD BLD 352
5 3 17000 851 BLQ BLD BLD 87.3
6 1 78100 10300 374000 BLD BLD BLD
6 2 286000 19900 367000 BLD BLD BLD
6 3 64400 11400 532000 BLQ BLD BLD
7 1 69900 8760 145000 BLD BLD BLD
7 2 111000 10400 78800 BLQ BLD BLD
7 3 54400 6360 355000 BLD BLD BLD
7 4 20900 2450 88600 BLD BLD BLD
7 5 18100 2740 460000 BLD BLD BLD
7 6 11850 BLD 94000 BLD BLD BLD
7 7 6760 1250 427000 BLD BLD BLD
8 1 6990 BLQ BLD BLD 51800 BLD
8 2 1890 BLD BLD BLD 9140 BLD
8 3 1940 BLD BLD BLD 85300 BLD
8 4 1830 BLD BLD BLD 3610 1110
8 5 5760 BLD BLD BLD 21900 BLD
8 6 7490 BLQ BLD BLD 35500 BLD
8 7 BLD BLD BLD BLD 10100 BLD
8 8 BLQ BLD BLD BLD 3110 BLD
8 9 BLQ BLD BLD BLD 1310 79.2
8 10 460 BLD BLD BLD 1200 91.4

BLD=below the level of detection; BLQ=below the level of quantification.