Table 2:

Descriptive Statistics for the Traditional and Rosendaal TTR Methods, Differences (T − R), and Size (T + R / 2)

Method	Mean	Standard Deviation	95% Confidence Interval
Traditional	56.5	27.8	54.4–58.7
Traditional ± 0.2	71.4	25.5	69.4–73.4
Traditional ± 0.5	85.7	19.4	84.2–87.2
Rosendaal	55.1	30.2	52.7–57.5
Differences (T − R)
Traditional − Rosendaal	1.5	24.5	−0.5 to 3.4
Traditional ± 0.2 − Rosendaal	16.3	26.0	14.3–18.4
Traditional ± 0.5 − Rosendaal	30.6	26.9	28.5–32.7
Size (T+R / 2)
Traditional + Rosendaal	55.8	26.3	53.8–57.9
Traditional ± 0.2 + Rosendaal	63.3	24.7	61.3–65.2
Traditional ± 0.5 + Rosendaal	70.4	21.5	68.7–72.1