Table 2 Quality assessment tool – Modified Newcastle Ottawa Scale (NOS)
Modified Newcastle Ottawa Scale (NOS) | Quality Assessment Tool – Modified Newcastle Ottawa Scale (NOS) | ||||||||
|---|---|---|---|---|---|---|---|---|---|
1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | |
Representativeness of the exposed cohort (postpartum women) | Do the authors provide a definition of PPH? | Ascertainment of exposure | Assessment of outcome | Was the follow-up long enough for outcome to occur? (From birth up to 12 months postpartum or postnatal period defined) | Adequacy of follow-up | If necessary and/or appropriate provide details explaining decision on adequacy of follow-up | How many stars (a) does this paper receive? | Based on the overall quality, do you wish to include this paper? | |
Truly representativea | Yesa | Secure recorda | Independent blind assessmenta | Yesa | Complete follow-upa | ✓ = Yes, include | |||
Somewhat representativea | No | Record linkage/Questionnaire a | Record linkage/Questionnairea | No | Subjects lost to follow-up <20 %a | No = Exclude | |||
Selected group of users | Descriptive written self-report | Descriptive self-report | Subjects lost to follow-up >20 % | An overall rating of 3 or less implies weak quality and should be excluded | |||||
No clear description | No description | No description | No statement | ||||||
Not applicablea | |||||||||