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Table 1 Demographic data and clinical characteristics

From: The lack of keratinized mucosa is associated with poor peri-implant tissue health: a cross-sectional study

 Patient (Total N = 200) N (%)Implant (Total N = 412) N (%)
Sex
 Male83 (41.5)151 (36.7)
 Female117 (58.5)261 (63.3)
Smoking status
 Non-smoker176 (88)365 (88.6)
 Former-smoker20 (10)42 (10.2)
 Current-smoker4 (2)5 (1.2)
Systemic Disease
 Diabetes18 (9)31 (7.5)
 Non-diabetes182 (91)381 (92.5)
Oral hygiene status
 Good35 (17.5)75 (18.2)
 Fair155 (77.5)315 (76.5)
 Poor10 (5)22 (5.3)
History of periodontal disease
 With history of periodontitis72 (36)174 (42.2)
 Without history of periodontitis128 (64)238 (57.8)
Implant status
 Healthy120 (60.0)289 (70.1)
 Peri-implant mucositis55 (27.5)89 (21.6)
 Peri-implantitis25 (12.5)34 (8.3)
Location of implant
 Maxillary anteriorNA64 (15.5)
 Maxillary posteriorNA117 (28.4)
 Mandibular anteriorNA17 (4.1)
 Maxillary posteriorNA214 (52.0)
Keratinized mucosa group
 KMNA380 (92.2)
 NKMNA32 (7.8)
  1. NA Non-applicable, KM Keratinized mucosa, NKM Non-keratinized mucosa