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. Author manuscript; available in PMC: 2016 May 24.
Published in final edited form as: JAMA Intern Med. 2014 Oct;174(10):1605–1612. doi: 10.1001/jamainternmed.2014.3293

Table 4.

Association of Patient Characteristics and Antimicrobial Drug Exposure With Hypoglycemic Events Among Glipizide or Glyburide Usersa

Characteristic Odds Ratio (95% CI)b
Exposure to antimicrobial drug
 Ciprofloxacinc 1.62 (1.33–1.97)
 Clarithromycind 3.96 (2.42–6.49)
 Fluconazole 0.92 (0.52–1.61)
 Levofloxacine 2.60 (2.18–3.10)
 Metronidazolef 2.11 (1.28–3.47)
 Moxifloxacin 1.13 (0.65–1.98)
 Sulfamethoxazole-trimethoprimg 2.56 (2.12–3.10)
 Noninteracting antimicrobialsh 1 [Reference]
Age at antimicrobial use, range, y
 66–70 1 [Reference]
 71–75 1.37 (1.12–1.69)
 76–80 1.66 (1.35–2.04)
 81–85 2.02 (1.63–2.50)
 ≥86 2.03 (1.61–2.55)
Sex
 Male 1 [Reference]
 Female 1.43 (1.23–1.67)
Race/ethnicity
 Non-Hispanic white 1 [Reference]
 Black 1.80 (1.47–2.19)
 Hispanic 1.33 (1.13–1.56)
 Other 0.86 (0.56–1.33)
Medicaid eligibility at the year of antimicrobial drug use
 No 1 [Reference]
 Yes 1.09 (0.94–1.27)
Charlson Comorbidity Index score
 0 1 [Reference]
 1 1.14 (0.94–1.39)
 2 1.36 (1.11–1.66)
 ≥3 1.76 (1.45–2.13)
Prior emergency department visit for hypoglycemia in prior year (yes vs no) 4.02 (3.32–4.86)
Prior hospitalization for any cause in prior year (yes vs no) 1.32 (1.14–1.54)
Nursing facility residence (yes vs no) 1.11 (0.93–1.32)
Indication for antimicrobial use (yes vs no)
 Acute respiratory infections 0.96 (0.78–1.18)
 Pneumonia 1.24 (0.94–1.63)
 Other respiratory diseases 1.06 (0.84–1.34)
 Skin infections or ulcers 1.25 (1.01–1.55)
 Gastrointestinal tract diseases 1.36 (0.85–2.16)
 Ear diseases 0.87 (0.45–1.68)
 Genitourinary and kidney diseases 1.49 (1.29–1.73)
 Other bacterial diseases 1.30 (0.97–1.73)
 Mycoses 1.27 (0.94–1.72)
 Fever and other disturbances of temperature regulation 1.48 (0.92–2.37)
 Otheri 1.29 (0.79–2.12)
a

Glipzide and glyburide prescriptions were combined for this analysis (n = 133 535).

b

95% Confidence intervals were estimated using bootstrap method (1000 samples).

c

Number needed to harm: 334 (95% CI, 223–595).

d

Number needed to harm: 71 (95% CI, 43–157).

e

Number needed to harm: 131 (95% CI, 107–168).

f

Number needed to harm: 187 (95% CI, 92–1457).

g

Number needed to harm: 133 (95% CI, 107–180).

h

Including amoxicillin, azithromycin, cefdinir, cefuroxime, cephalexin, clindamycin, doxycycline, nitrofurantoin, and penicillin V.

i

Including gingival, periodontal, oral diseases, inflammatory diseases of the central nervous system, heart infections, bone infections.