Table 2.
General results of the multinomial logit model. Data on propensity score–matched respondents’ preferences for diagnosis attributes in 2017 and 2020 are reported (N=528).
| Attributes and levels | 2017 group | 2020 group | |||||||||||
|
|
Effect coefficient | P value | Odds ratio (95% CI) | Effect coefficient | P value | Odds ratio (95% CI) | |||||||
| Diagnosis method | |||||||||||||
|
|
Clinician | −0.15 | <.001 | Reference | −0.05 | .12 | Reference | ||||||
|
|
Artificial intelligence and clinician | 0.35 | <.001 | 1.64 (1.535-1.763) | 0.36 | <.001 | 1.51 (1.413-1.621) | ||||||
|
|
Artificial intelligence | −0.20 | <.001 | 0.95 (0.885-1.016) | −0.31 | <.001 | 0.78 (0.725-0.833) | ||||||
| Outpatient waiting time (minutes) | |||||||||||||
|
|
0 | 0.31 | <.001 | Reference | 0.15 | .01 | Reference | ||||||
|
|
20 | 0.12 | .03 | 0.82 (0.741-0.914) | 0.26 | <.001 | 1.12 (1.013-1.245) | ||||||
|
|
40 | −0.03 | .57 | 0.71 (0.639-0.789) | −0.02 | .72 | 0.85 (0.762-0.942) | ||||||
|
|
60 | −0.08 | .12 | 0.67 (0.606-0.748) | −0.20 | <.001 | 0.71 (0.640-0.788) | ||||||
|
|
80 | −0.31 | <.001 | 0.54 (0.482-0.595) | −0.20 | <.001 | 0.71 (0.640-0.789) | ||||||
| Diagnosis time (minutes) | |||||||||||||
|
|
0 | 0.05 | .19 | Reference | −0.02 | .57 | Reference | ||||||
|
|
15 | −0.07 | .06 | 0.89 (0.834-0.957) | −0.01 | .83 | 1.01 (0.946-1.084) | ||||||
|
|
30 | 0.02 | .53 | 0.98 (0.912-1.046) | 0.03 | .43 | 1.05 (0.980-1.122) | ||||||
| Diagnosis accuracy (% accuracy) | |||||||||||||
|
|
60 | −0.83 | <.001 | Reference | −0.83 | <.001 | Reference | ||||||
|
|
70 | −0.35 | <.001 | 1.62 (1.458-1.802) | −0.41 | <.001 | 1.52 (1.365-1.684) | ||||||
|
|
80 | 0.07 | .16 | 2.47 (2.235-2.737) | −0.02 | .72 | 2.25 (2.033-2.487) | ||||||
|
|
90 | 0.32 | <.001 | 3.18 (2.867-3.526) | 0.43 | <.001 | 3.51 (3.169-3.891) | ||||||
|
|
100 | 0.79 | <.001 | 5.04 (4.534-5.609) | 0.83 | <.001 | 5.26 (4.734-5.852) | ||||||
| Follow-up after diagnosis | |||||||||||||
|
|
Yes | 0.20 | <.001 | Reference | 0.19 | <.001 | Reference | ||||||
|
|
No | −0.20 | <.001 | 0.67 (0.620-0.698) | −0.19 | <.001 | 0.69 (0.656-0.715) | ||||||
| Diagnosis expenses (¥a) | |||||||||||||
|
|
0 | 0.42 | <.001 | Reference | 0.36 | <.001 | Reference | ||||||
|
|
50 | 0.28 | <.001 | 0.87 (0.769-0.976) | 0.23 | <.001 | 0.88 (0.782-0.989) | ||||||
|
|
100 | −0.01 | .82 | 0.65 (0.576-0.730) | 0.18 | <.001 | 0.83 (0.738-0.935) | ||||||
|
|
150 | 0.03 | .66 | 0.67 (0.599-0.760) | −0.06 | .30 | 0.65 (0.580-0.736) | ||||||
|
|
200 | −0.24 | <.001 | 0.52 (0.459-0.585) | −0.19 | <.001 | 0.58 (0.510-0.648) | ||||||
|
|
250 | −0.47 | <.001 | 0.41 (0.363-0.465) | −0.52 | <.001 | 0.41 (0.366-0.468) | ||||||
aA currency exchange rate of ¥1=US $0.16 is applicable.