Table 3.

Periodontitis-specific aspects (domain 3). Sub-domains with a range of items were assessed. Scores between 0 and 2 were used

Sub-domain	Item	Median (25th/75th percentiles, min-max)
3.1 Etiologic factors	Plaque as main cause	2 (0/2; 0–2)
	Multifactorial etiology	0 (0/0; 0–2)
	Attachment loss as main sign	2 (0/2; 0–2)
	Widespread disease	0 (0/0; 0–2)
	Frequent reason for tooth loss	0 (0/0; 0–2)
3.2 Prognostic factors	Smoking	0 (0/2; 0–2)
	Oral hygiene	0 (0/2; 0–2)
	Age	0 (0/2; 0–2)
	Diabetes	0 (0/2; 0–2)
	Bone loss	0 (0/0; 0–2)
	Tooth mobility	0 (0/0; 0–2)
	Furcation involvement	0 (0/0; 0–2)
	Probing depths	0 (0/0; 0–2)
	Parafunctions	0 (0/0; 0–0)
	Endodontic treatment	0 (0/0; 0–0)
	Compliance	0 (0/2; 0–2)
3.3 Diagnostic process	History	0 (0/2; 0–2)
	Dental and periodontal status	0 (0/0; 0–2)
	Radiographs	0 (0/0; 0–2)
3.4 Treatment stages	Initial (hygiene) phase	0 (0/2; 0–2)
	Active periodontal treatment	0 (0/2; 0–2)
	Supportive periodontal treatment	2 (0/2; 0–2)
3.5 Tooth retention or removal	Chance for tooth retention	0 (0/0; 0–0)
	Comparison with implants	0 (0/0; 0–1)