Table 2.
Positive and Negative Predictive Value of Self-Report Versus Laboratory Polysomnography (PSG) Research Criteria for Sleep Bruxism (SB) Among Myofascial TMD Cases versus Controls: Moderate SB
| Self-Report Interview: | PSG SB Reference Standard: Moderate Bruxism, ≥2 and <4 episodes per hour and <25 bursts per hour (prevalence=16.9% in cases and 17.4% 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 | |
|
|
||||||
| cases | 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% | 71.8% | 15.4% | 84.8% | NS |
|
| ||||||
| Screen+:28.6% | (5.1–69.7%) | (54.9–84.5%) | (2.7–46.3%) | (67.3%–94.3%) | ||
|
| ||||||
| Were you told this by…? | ||||||
| Dentist? | ||||||
|
|
||||||
| cases | 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% | 69.0% | 0% | 87.9% | NS |
|
| ||||||
| Screen+:8.7% | (0–60.4%) | (52.8–81.9%) | (0–28.3%) | (70.9–96.0%) | ||
|
| ||||||
| Sleep Partner? | ||||||
|
|
||||||
| cases | 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? | ||||||
|
|
||||||
| cases | N=121 | 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% | 100.0% | 0% | 87.9% | NS |
|
| ||||||
| Screen+:8.7% | (0–60.4%) | (39.6–100.0%) | (0–28.3%) | (70.9–96.0%) | ||
*
p<.05,
**
p<.01,
***
p<.001