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Table 2 Newcastle-Ottawa quality assessment scale for cohort studies

From: Functional outcomes in early (T1/T2) supraglottic cancer: a systematic review

Study

Selection

Comparability

Outcomes

Total Score

Ambrosch 2018e

3

2

3

8

Bhattacharyya 2014b

3

2

3

8

Carta 2018

2

1

3

6

Chiesa Estomba 2015

3

2

3

8

Chun 2010a

4

1

2

7

Karatzanis 2010b

3

2

3

8

Mendenhall 1996c

3

0

1

4

Oridate 2009c,d

4

0

1

5

Orus 2000d

4

1

1

6

Spriano 1997

4

2

3

9

  1. alength of follow-up not reported, bsurgery only cohort, cshort follow up period, dnot all patients accounted for, eradiation only cohort