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NNH is similar to number needed to treat (NNT), where NNT usually refers to a positive therapeutic result and NNH to a detrimental effect or risk factor. Marginal metrics: NNT for an additional beneficial outcome (NNTB) NNT for an additional harmful outcome (NNTH) are also used. [2]
A higher NNT indicates that treatment is less effective. [6] NNT is similar to number needed to harm (NNH), where NNT usually refers to a therapeutic intervention and NNH to a detrimental effect or risk factor. A combined measure, the number needed to treat for an additional beneficial or harmful outcome (NNTB/H), is also used.
NNH: number needed to harm: NNT: number needed to treat: NO: nitric oxide: No. number NOF: neck of femur fracture (refers to hip fracture) NOMI: nonocclusive mesenteric ischemia Non rep. do not repeat NOS: nitric oxide synthase; not otherwise specified: NPA: nasal pharyngeal aspirate: NPH: normal pressure hydrocephalus: Npl: neoplasm: NP: Nurse ...
The adverse outcome (black) risk difference between the group exposed to the treatment (left) and the group unexposed to the treatment (right) is −0.25 (RD = −0.25, ARR = 0.25).
The group exposed to treatment (left) has the risk of an adverse outcome (black) reduced by 50% (RRR = 0.5) compared to the unexposed group (right).
The relative risk (RR) or risk ratio is the ratio of the probability of an outcome in an exposed group to the probability of an outcome in an unexposed group. Together with risk difference and odds ratio , relative risk measures the association between the exposure and the outcome.
NNH may refer to: Number needed to harm, an epidemiological measure; nnh, the ISO 639-3 code for Ngiemboon language; Nou Nou Hau, an avant-garde dÅjinshi manga ...
This page was last edited on 27 September 2023, at 23:08 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may apply.