Research Article

Evaluating Antibiotic Treatment Guideline Adherence to Ongoing Antibiotic Stewardship in a Tertiary Care Setting: A Retrospective Observational Study

Table 2

Univariate and multivariate logistic regression analyses results determining the predictive variables for guideline adherent treatment.

VariablesNo. (%) of adherenceNo. (%) of nonadherenceUnivariate analysisMultivariate analysisa
OR (95% CI)P valueAOR (95% CI)P value

Unit/department (n=354)
 General medical ward56 (38.6)89 (61.4)Ref0.048Ref
 Surgical ward11 (27.5)29 (72.5)1.65 (0.76–3.58)0.1981.19 (0.47–3.01)0.707
 Orthopedics12 (29.3)29 (70.7)1.52 (0.71–3.22)0.2741.35 (0.53–3.46)0.531
 Urology1 (6.7)5 (83.3)3.14 (0.35–27.63)0.3011.93 (0.19–19.13)0.574
 ICU24 (58.5)17 (41.5)0.44 (0.22–0.90)0.0200.65 (0.31–1.37)0.256
 Others30 (37.0)51 (63.0)1.07 (0.61–1.87)0.8141.29 (0.69–2.43)0.429
Patient age group (n=354)
 Below 45 years35 (31.8)75 (68.2)Ref0.042Ref
 45–65 years42 (34.4)80 (65.6)0.89 (0.51–1.54)0.6741.09 (0.58–2.02)0.796
 >65 years57 (46.7)65 (53.3)0.53 (0.31–0.91)0.0210.86 (0.45–1.64)0.669
Gender (n=354)
 Male82 (40.6)120 (59.4)Ref0.008
 Female52 (34.2)100 (65.8)1.31 (0.85–2.04)0.221
Presence of comorbidities (n=347)b
 No23 (24.7)70 (75.3)Ref0.011Ref
 Yes108 (42.5)146 (57.5)0.44 (0.26–0.75)0.0030.52 (0.27–1.00)0.050
Infectious disease diagnosed (n=354)
 UTI33 (37.9)54 (62.1)Ref0.030
 Pneumonia78 (43.3)102 (56.7)0.80 (0.47–1.35)0.402
 SSTI23 (26.4)64 (73.6)1.70 (0.89–3.24)0.106
Empiric antibiotics
 Azithromycin67 (48.6)71 (51.4)0.47 (0.30–0.74)0.0010.73 (0.42–1.26)0.255
 Piperacillin/tazobactam54 (44.6)67 (55.4)0.65 (0.41–1.02)0.059
 Ceftriaxone23 (25.6)67 (74.4)2.11 (1.24–3.60)0.0062.09 (1.18–3.71)0.012∗
 Amoxicillin/clavulanic acid28 (38.4)45 (61.6)0.97 (0.57–1.65)0.921
 Meropenem15 (40.5)22 (59.5)0.88 (0.44–1.76)0.722
 Cefazolin10 (40.0)15 (60.0)1.10 (0.48–2.53)0.818
 Levofloxacin3 (13.0)20 (87.0)4.37 (1.27–14.99)0.0194.63 (1.30–16.53)0.018

Significance at . AOR = adjusted odds ratio; — = not significantly associated. aOnly included the variables significant at “level 0.1.” bexcluding unknown cases.