Traumatic loss: a systematic review of potential risk factors differentiating between posttraumatic stress disorder and prolonged grief disorder.

Other correlates that reached a borderline significance rate in relation to grief were peritraumatic reactions (50%), relationship to the deceased (43%) and adaptation difficulties (43%).

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They may also include aspects that reached borderline significance rates (e.g. peritraumatic reactions and adaptation difficulties) to investigate whether these turn out to be risk factors in high-quality longitudinal studies.

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