Skip to main content

Table 1 Newcastle–Ottawa Scale (NOS) quality assessment of the study

From: The impacts of COVID-19 pandemic on service delivery and treatment outcomes in people living with HIV: a systematic review

First author

Selection (out of 4)

Comparability (out of 2)

Exposure/outcome (out of 3)

Total (out of 9)

Ballivian et al. [22]

***

**

**

7

Giacomelli et al. [43]

***

*

***

7

Hochstatter et al. [23]

****

**

***

9

Quiros-Roldan et al. [24]

****

**

***

9

Ridgway et al. [49]

***

**

***

8

Tamargo et al. [25]

***

*

***

7

Wagner et al. [26]

**

**

**

6

Ahmed et al. [27]

****

**

***

9

Campbell et al. [28]

***

**

***

8

Chilot et al. [29]

***

**

***

8

Karjadi et al. [30]

****

**

**

8

Nguyen et al. [31]

***

**

***

8

Rhodes et al. [33]

***

**

***

8

SieweFodjo et al. [21]

****

**

**

8

Yang et al. [32]

***

*

***

7

Qiao et al. [42]

***

**

***

8

  1. The [*] indicates number(s) for each study regarding each column.