Table 3.
Self-Report Interview: | PSG SB Reference Standard: Severe Bruxism, ≥4 episodes per hour or >25 bursts per hour (prev.=9.7% in cases; 10.9% in controls) | |||||
---|---|---|---|---|---|---|
| ||||||
Have you ever been told you grind teeth at night while sleeping? | PV+(95% CI) | PV−(95% CI) | Sensitivity (95% CI) | Specificity (95% CI) | p-value | |
|
||||||
case | N=121 | 33.8% | 81.1% | 69.7% | 48.9% | NS |
| ||||||
Screen+:56.2 | (23.1–46.4%) | (67.6–90.1%) | (51.1–83.8%) | (38.1–59.7%) | ||
| ||||||
controls | N=46 | 28.6% | 92.3% | 40.7% | 87.8% | NS |
| ||||||
Screen+:28.6% | (5.1–69.7%) | (78.0–98.0%) | (7.3–83.0%) | (73.0–95.4%) | ||
| ||||||
Were you told this by…? | ||||||
Dentist? | ||||||
|
||||||
case | N=122 | 34.7% | 78.1% | 51.5% | 64.0% | NS |
| ||||||
Screen+:40.2% | (22.1–49.7%) | (66.6–86.6%) | (33.9–68.8%) | (53.1–73.7%) | ||
| ||||||
controls | N=46 | 0% | 88.1% | 0 | 90.2% | NS |
| ||||||
Screen+:8.7% | (0–60.4%) | (73.6–95.5%) | (0–53.7%) | (75.9–96.8%) | ||
| ||||||
Sleep Partner? | ||||||
|
||||||
case | N=124 | 37.5% | 77.2% | 36.4% | 78.0% | NS |
| ||||||
Screen+:25.8% | (21.7–56.3%) | (67.0–85.0%) | (21.0–54.9%) | (67.9–85.8.0%) | ||
| ||||||
controls | N=46 | 66.7% | 74.4% | 15.4% | 97.0% | NS |
| ||||||
Screen+:6.5% | (12.5–98.2%) | (58.5–86.0%) | (2.7–46.3%) | (82.5–99.8%) | ||
| ||||||
Self Notices? | ||||||
|
||||||
case | N=122 | 28.3% | 73.7% | 39.4% | 62.9% | NS |
| ||||||
Screen+:37.7% | (16.5–43.7%) | (62.1–82.8%) | (23.4–57.8%) | (52.0–72.7%) | ||
| ||||||
controls | N=46 | 0% | 69.0% | 0% | 87.9% | NS |
| ||||||
Screen+:8.7% | (0–60.4%) | (31.0–18.1%) | (0–29.3%) | (70.9–96.0%) |
p<.05,
p<.01,
p<.001