highly significantP < 0.001
The trend test is highly significant (Z = −26.20, P < 0.001), indicating the miss rate has generally been increasing in the last 20 years.
The trend test is highly significant (Z = −26.20, P < 0.001), indicating the miss rate has generally been increasing in the last 20 years.
17 found a numerical trend toward more hematomas and transfusions with 18g needles and a significant increase in pain with the 18g needles when compared with 16g needles.