Association of periodontitis, tooth loss, and self-rated oral health with circadian syndrome in US adults: a cross-sectional population study

Table 2 Question sensitivity and specificity

Questions	Stage II-IV	Stage III-IV	Stage IV	Without functional dentition
Gum disease (N = 8973)
Sensitivity	0.20 (0.19, 0.21)	0.27 (0.26, 0.28)	0.27 (0.25, 0.30)	0.24 (0.22, 0.26)
Specificity	0.92 (0.90, 0.94)	0.87 (0.86, 0.88)	0.82 (0.81, 0.83)	0.82 (0.81, 0.83)
Self-rated oral health^a (N = 9088)
Sensitivity	0.35 (0.34, 0.36)	0.46 (0.44, 0.47)	0.60 (0.57, 0.63)	0.56 (0.53, 0.58)
Specificity	0.85 (0.82, 0.87)	0.77 (0.75, 0.78)	0.70 (0.69, 0.71)	0.97 (0.97, 0.98)
Periodontal treatment (N = 9071)
Sensitivity	0.25 (0.24, 0.26)	0.29 (0.27, 0.30)	0.27 (0.25, 0.30)	0.26 (0.24, 0.28)
Specificity	0.84 (0.82, 0.87)	0.79 (0.78, 0.80)	0.76 (0.75, 0.77)	0.76 (0.75, 0.77)
Loose teeth (N = 9094)
Sensitivity	0.16 (0.16, 0.17)	0.25 (0.24, 0.27)	0.40 (0.37, 0.43)	0.34 (0.32, 0.37)
Specificity	0.94 (0.92, 0.95)	0.93 (0.92, 0.93)	0.88 (0.87, 0.89)	0.89 (0.88, 0.89)
Bone loss (N = 9049)
Sensitivity	0.14 (0.13, 0.15)	0.18 (0.17, 0.20)	0.23 (0.21, 0.26)	0.21 (0.19, 0.23)
Specificity	0.95 (0.94, 0.97)	0.91 (0.90, 0.92)	0.88 (0.88, 0.89)	0.89 (0.88, 0.89)
Teeth not right (N = 9091)
Sensitivity	0.18 (0.17, 0.19)	0.24 (0.22, 0.25)	0.30 (0.27, 0.33)	0.27 (0.25, 0.29)
Specificity	0.90 (0.88, 0.92)	0.88 (0.87, 0.89)	0.84 (0.84, 0.85)	0.85 (0.84, 0.85)

^aindicates the sensitivity and specificity test between fair and poor self-rated oral health status and different clinical statuses including stage II-IV periodontitis, stage III-IV periodontitis, stage IV periodontitis and lack of functional dentition

ISSN: 1472-6831