Table 3: Clinical factors associated with the presence of air detected in the IV.

Test

Variable

True-Class

Mean

False-Class

Mean

True-Class

SD

False-Class

SD

P Value

(Significance)

Either Warmer or Bolus? 0.843 0.126 2.340 0.264 0.005
Syringe Yes, No? 2.02 0.390 4.10 1.18 0.066

SD = Standard Deviation, N = 120 for both tests.