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Table 3 Applied assessments for OHRQoL and relevant results for the included studies

From: Oral health-related quality of life in adult patients with end-stage kidney diseases undergoing renal replacement therapy – a systematic review

Author, year

Assessment of OHRQoL

Internal reliability of OHRQoL measurement Cronbach’s α

OHRQoL worse than control

Association/correlation between OHRQoL and general HRQoL

Association/correlation between OHRQoL and oral health

Association and/or correlation between OHRQoL and disease related parameters

Guzeldemir et al. 2009 [17]

OHIP 14: 19.40 ± 7.74 (8–29)*

GOHAI: 15.72 ± 8.68 (3–31)

OHIP 14: 0.73, GOHAI: 0.82

n/a

n/a

OHIP 14 and GOHAI: M-T, OHIP 14: PI

OHIP 14: creatinine

Hajian-Tilaki et al. 2014 [18]

OHIP 14: 31.32 ± 12.53 (14–68)*

GOHAI: 29.07 ± 8.5 (14–50)

OHIP 14: 0.96, GOHAI: 0.85

n/a

n/a

OHIP 14: OHI-S, dry mouth, taste change, halitosis, PI, PDI, DMF-T

GOHAI: OHI-S, dry mouth, taste change, PI, PDI, DMF-T

OHIP 14: diabetes

Pakpour et al. 2015 [19]

OHIP 14: 19.10 ± 10.21

n/a

yes

PCS and MCS of SF-36 with OHIP 14

DMF-T, PI, CPI, GI, oral behaviour (regular tooth brushing)

age, BMI, diabetes, Kt/v

Schmalz et al. 2016 [20]

OHIP 14: HD: 2.46 ± 4.68, KTx: 2.54 ± 3.68

n/a

no

n/a

no

HD: diabetes

Lopez-Pintor et al. 2017 [21]

OHIP 14: 24.38 ± 11.98*

n/a

n/a

n/a

xerostomia VAS, xerostomia

no

Lira E Silva et al. 2017 [28]

OHIP 14: no total mean value provided. Low impact: 40.7%, medium impact: 32.7%, high impact: 26.5%

n/a

n/a

n/a

history of toothache

age

Rodakowska et al. 2018 [22]

OHIP 14: 8.87 ± 10.95 (4; 1–13)

GOHAI: 14.71 ± 7.21 (13; 9–19)

OHIP 14: 0.918, GOHAI: 0.637

n/a

n/a

OHIP 14: dental treatment need, chewing ability

GOHAI: chewing ability

no

Camacho-Alonso et al. 2018 [23]

OHIP 14: 10.34 ± 9.09

n/a

yes

no (HADS)

no

no

Schmalz et al. 2018 [24]

OHIP 14: 4.1 (0, 0–5)

n/a

n/a

n/a

PPD

dialysis duration

Ruokonen et al. 2019 [25]

oral health quality score (OHQS) 75.1% maximum score

n/a

n/a

15D questionnaire

PPD, PIBI, TDI

n/a

Kahar et al. 2019 [26]

OHIP 14: 64 (54.8–68), GOHAI-12: 52 (39.8–56.3)**

OHIP 14: 0.92, GOHAI: 0.91

n/a

n/a

OHIP: remaining teeth, dentate vs. edentulous

GOHAI: remaining teeth

GOHAI: age, gender, dialysis duration

Oliveira et al. 2019 [27]

OHIP 14: 7.25 ± 7.69

n/a

n/a

n/a

PI, periodontitis severity

no

  1. n/a not applicable, OHIP oral health impact profile, GOHAI general oral health assessment index, PCS physical compound summary, MCS mental compound summary, SF-36 short form 36 questionnaire, HADS Hospital Anxiety and Depression Scale, HD haemodialysis, KTx kidney transplantation, M-T missing teeth, DMF-T decayed-, missing- and filled teeth index, PI plaque index, GBI gingiva bleeding index, GI gingival index, CPI community periodontal index, PPD periodontal probing depth, UWS unstimulated whole saliva, SWS stimulated whole saliva, OHI oral health index, BMI body mass index, PIBI periodontal inflammatory burden index, TDI total dental index, *OHIP 14 scale of 1-5 instead of 0-4 points, **OHIP 14 scale of 1-5 instead of 0-4 and inverse rating