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Table 2 Factors influencing a prescription of oseltamivir according to clinical guidelines in 351 patients with antiviral medication

From: Prescription of antiviral drugs during the 2009 influenza pandemic: an observational study using electronic medical files of general practitioners in the Netherlands

 

Univariate analysis

Adjusted multilevel analysis

Variable

OR

(95% CI)

OR

(95% CI)

P-value

Age at prescription (continuous)

0.87

(0.83 to 0.91)

0.84

(0.80 to 0.90)

<0.001

Age-squared

1.00

(1.00 to 1.00)

1.00

(1.00 to 1.00)

<0.001

Number of contacts with GP in 2009

     

 <6

ref

-

ref

-

 

 6 or more

3.00

(1.87 to 4.82)

2.19

(1.18 to 4.08)

0.014

Total number of prescriptions in 2009*

     

 <8

ref

-

ref

-

 

8 or more

4.60

(2.80 to 7.57)

3.24

(1.63 to 6.42)

0.001

  1. GP = general practitioner; OR = odds ratio; CI = confidence interval.
  2. *Excluding oseltamivir prescriptions.