Skip to main content

Table 3 Patients in the intramuscular group by their basal INR

From: Safety of intramuscular influenza vaccine in patients receiving oral anticoagulation therapy: a single blinded multi-centre randomized controlled clinical trial

 

Basal INR < 2,5 (n = 55)

Basal INR ≥ 2,5 (n = 37)

95% confidence interval of the difference

Mean change circumference of the arm (SD), cm, 24 h

+0,32 (1,01)

+0,22 (0,75)

-0,26 to +0,47 *

Patients with increase of the circumference of the arm >= 1 cm, n (%), 24 h

11 (20,0%)

7 (18,9%)

-15,4% to +17,5%

Patients with skin lesions in the administration area, n (%), 24 h

9 (16,4%)

7 (18,9%)

-18,5% to +13,4%

Mean Visual Analog Pain Scale (SD), 24 h

0,30 (0,93)

0,28 (0,70)

-0,32 to +0,36 *

Patients with Visual Analog Pain Scale > 0, n (%), 24 h

7 (12,7%)

6 (16,2%)

-18,3% to +11,3%

Mean change INR (SD), 24 h

-0,02 (0,44)

-0,13 (0,68)

-0,14 to +0,37 *

Mean change INR (SD), 10d

+0,14 (0,87)

-0,03 (1,01)

-0,23 to +0,58 *

  1. *Calculated under the checked assumption of variance homogeneity of both samples.