Table 1: Antibiotic resistance rate (%) of A. baumannii isolates between 2001–2004 (period 1) and 2012–2015 (period 2) evaluated in this study.

Antibiotic Period 1
2001-2004 		Period 2
2012-2015 		P-value
TIC 64.6 93 <106*
PIP 85.75 91 0.019*
CAZ 90 89.4 0.796
IMP 40 88.6 <106*
GM 71 85.2 <106*
TM 29 62 <106*
NET 24.5 40.6 <104*
AN 79 79.2 0.925
OFX 88 91.8 0.083
CIP 88 91.7 0,083
SXT 89 51.5 <106*
RA 91.6 26.3 <106*
COL 0 0.3 --
Total 270 691

*p significant at the 0.05 level
TIC: Ticarcillin, PIP: Piperacillin, TZP: Piperacillin ⁄ tazobactam, CAZ: Ceftazidime, IMP: Imipenem, GM: Gentamicin, TM: Tobramycin, NET: Netelmicin, AN: Amikacin, OFX: Ofloxacin, CIP: Ciprofloxacin, SXT: Sulphamethoxazole / trimethoprim, RA: Rifampicin, COL: Colistin.