Table 3. Association between antibiotic treatment and increased GVHD in target organs.
AntibioticGVHD target organ (P value)
Skin
(stages 1–4)		Liver
(stages 1–4)		Upper
GI
(stage 1)		Lower
GI
(stages 1–4)
Aztreonam0.1530.1070.6010.702
Cefepime0.1330.1830.3320.514
Imipenem-cilastatin0.1880.2000.0450.036
Piperacillin-tazobactam0.1800.1650.0020.019