Table 4 Intra-rater reliability per rater for the pulmonary transit time (PTT). Raters 1,2,3, and 8 are physicians and raters 4,5,6, and 7 are technicians. The mean PTTs of the fifteen patients are expressed with their standard deviation at time moment 1 and 2, measured by each rater

Rater 1

0.91 (0.76–0.97)

11.86 (3.14)

12.13 (3.14)

Rater 2

0.99 (0.99–1.00)

11.77 (3.00)

11.69 (2.99)

Rater 3

0.92 (0.79–0.97)

11.82 (3.08)

11.49 (3.22)

Rater 4

0.99 (0.99–1.00)

11.64 (2.89)

11.70 (2.96)

Rater 5

0.99 (0.98–1.00)

11.84 (3.09)

11.82 (2.99)

Rater 6

0.99 (0.99–1.00)

11.76 (3.12)

11.71 (3.03)

Rater 7

0.99 (0.98–1.00)

11.65 (2.95)

11.60 (2.93)

Rater 8

0.81 (0.54–0.93)

12.17 (4.15)

11.60 (2.96)