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Table 2 Discriminative validity.

From: Spanish version of the Oral Health Impact Profile (OHIP-Sp)

Oral outcomes OHIP Sp score mean [95% CI] Dif [95% CI] P-value§ ROC& [95% CI]
Lost ≥ 1 tooth loss      
   Yes (n = 1,065) 13.5 [13.0;14.1] 4.3 [3.9;4.7] < 0.001 0.66 [0.64;0.68]
   No (n = 8,068) 9.2 [9.0;9.3]     
Lost ≥ 2 teeth loss      
  - - - 0.69 [0.66;0.71]
Lost ≥ 3 teeth loss      
  - - - 0.71 [0.64;0.80]
Lost ≥ 4 teeth loss      
  - - - 0.76 [0.59;0.93]
Presence of NUG      
   Yes (n = 616) 11.9 [11.3;12.6] 2.4 [1.8;3.0] < 0.001 0.59 [0.57;0.62]
   No (n = 8,517) 9.5 [9.4;9.7]     
Presence of CAL ≥ 1 mm      
   Yes (n = 6,321) 10.2 [10.0;10.3] 1.6 [1.3;1.9] < 0.001 0.57 [0.55;0.58]
   No (n = 2,812) 8.6 [8.4;8.9]     
Presence of CAL ≥ 3 mm      
   Yes (n = 409) 13.0 [12.3;13.8] 3.5 [2.8;4.2] < 0.001 0.64 [0.61;0.67]
   No (n = 8,724) 9.5 [9.4;9.7]     
Presence of CAL ≥ 4 mm      
  - - - 0.70 [0.64;0.77]
Presence of CAL ≥ 5 mm      
  - - - 0.78 [0.68;0.87]
  1. ([95% CI] = 95% confidence interval; NUG = Necrotizing ulcerative gingival lesions; CAL = Clinical attachment loss; § = Mann Whitney; & = Area Under the Receiver Operating Characteristic curve; Dif = Difference for the means).