Table 1 Statistical evaluation of STAI-6 and CLQ in different angles. All analyses excluded the dropouts per protocol
Simulation | STAI 0° | STAI 45° | STAI 90° | STAI 180° |
|---|---|---|---|---|
(a) Spearman correlation coefficients of subjects during the simulation with p values (correlation/p value) | ||||
CLQ | − 0.25/0.294 | − 0.12/0.952 | − 0.14/0.546 | − 0.09/0.695 |
STAI 0° | 0.53/0.019 | 0.44/0.057 | 0.45/0.056 | |
STAI 45° | 0.88/ < 0.001 | 0.64/0.003 | ||
STAI 90° | 0.73/ < 0.001 | |||
Imaging | STAI 0° | STAI 70° | STAI 90° | STAI 110° |
|---|---|---|---|---|
(b) Spearman correlation coefficients of subjects during MRI with p values (correlation/p value) | ||||
CLQ | 0.31/0.108 | 0.22/0.257 | 0.13/0.505 | 0.04/0.810 |
STAI 0° | 0.67/ < 0.001 | 0.5/0.005 | 0.49/0.008 | |
STAI 70° | 0.75/ < 0.001 | 0.75/ < 0.001 | ||
STAI 90° | 0.7/ < 0.001 | |||
Simulation | STAI 45° | STAI 90° | STAI 180° | Imaging | STAI 70° | STAI 90° | STAI 110° |
|---|---|---|---|---|---|---|---|
(c) p values of Wilcoxon signed-rank test (two-sided) for subjects during MRI | |||||||
STAI 0° | 0.609 | 0.721 | 0.812 | STAI 0° | 0.319 | 0.600 | 0.513 |
STAI 45° | 0.395 | 0.674 | STAI 70° | 0.878 | 0.875 | ||
STAI 90° | 0.553 | STAI 90° | 0.727 | ||||