Table 2. Interpreter confidence and methods used in selecting V̇O
2θ. Data represent the average percentage of occurrences for each variable.
| Confidence |
E1 |
E2 |
N1 |
N2 |
N3 |
N4 |
Mean E |
Mean N |
| High |
40% |
43% |
17%* |
70%* |
57% |
57% |
42% |
50% |
| Medium |
50% |
37% |
60% |
23% |
33% |
30% |
44% |
37% |
| Low |
10% |
20% |
23% |
7% |
10% |
13% |
15% |
13% |
| Method |
|
| V̇CO2 vs. V̇O2 only |
30% |
13%* |
17% |
70%* |
67%* |
60%* |
22% |
53% |
| Dual Criteria only |
3% |
23% |
47% |
3% |
10% |
10% |
13% |
18% |
| Both |
67% |
63% |
37% |
27% |
23% |
30% |
65% |
29% |
*p < 0.05; E = experienced interpreters; N = novice interpreters; Dual Criteria = use of the V̇
E/V̇O
2 and V̇
E/V̇CO
2 versus V̇O
2 (Figure 3A) and/or the P
ETO
2 and P
ETCO
2 versus V̇O
2 plot (Figure 3B); Both = use of both the V̇CO
2 versus V̇O
2 plot and the dual criteria plots.
