Table 2.
Descriptive statistics and correlations for the 21 items for participants (excluding healthy controls) in the item generation and discriminant analysis component of the study (n = 38; group 1)
| Mean | SD | Correlation with abnormal sensation | Correlation with irritation | Correlation with phlegm | Correlation with tickle | |
|---|---|---|---|---|---|---|
| Abnormal sensation |
3.7 |
1.9 |
|
0.6 |
0.2 |
0.4 |
| Phlegm and mucous in throat |
3.3 |
1.8 |
0.2 |
0.3 |
|
0.5 |
| Pain |
5.8 |
1.6 |
0.3 |
0.3 |
0.1 |
0.3 |
| Sensation of something stuck |
4.2 |
1.9 |
0.7 |
0.7 |
0.3 |
0.4 |
| Blocked |
4.8 |
1.9 |
0.6 |
0.6 |
0.1 |
0.4 |
| Dry |
4.3 |
2.1 |
0.1 |
0.2 |
0.1 |
0.4 |
| Tight |
4.4 |
1.9 |
0.6 |
0.7 |
0.1 |
0.4 |
| Irritation |
3.3 |
1.6 |
0.6 |
1.0 |
0.3 |
0.5 |
| Pushing chest |
5.4 |
1.5 |
0.0 |
0.3 |
0.1 |
0.4 |
| Pressing throat |
5.2 |
1.9 |
0.5 |
0.5 |
0.0 |
0.1 |
| Constriction |
4.4 |
1.8 |
0.3 |
0.3 |
0.2 |
0.3 |
| Food catches |
5.2 |
1.6 |
0.4 |
0.5 |
0.2 |
0.2 |
| Tickle |
3.6 |
1.7 |
0.4 |
0.5 |
0.5 |
|
| Itch |
5.3 |
2.0 |
0.4 |
0.3 |
0.5 |
0.6 |
| Tingling |
5.8 |
1.6 |
0.4 |
0.4 |
0.3 |
0.5 |
| Pins and needles |
6.8 |
0.7 |
0.3 |
0.3 |
0.3 |
0.4 |
| Hot burning |
6.3 |
1.2 |
0.2 |
0.1 |
−0.1 |
0.1 |
| Numbness |
6.8 |
0.5 |
0.2 |
0.2 |
0.3 |
0.4 |
| Electric shock |
6.9 |
0.3 |
0.1 |
0.0 |
0.2 |
0.1 |
| Shooting |
6.8 |
0.5 |
0.1 |
−0.1 |
−0.1 |
0.0 |
| Freezing | 7.0 | 0.2 | −0.1 | −0.3 | −0.2 | −0.1 |