HISTORICAL COHORT STUDY
\hɪstˈɒɹɪkə͡l kˈə͡ʊhɔːt stˈʌdi], \hɪstˈɒɹɪkəl kˈəʊhɔːt stˈʌdi], \h_ɪ_s_t_ˈɒ_ɹ_ɪ_k_əl k_ˈəʊ_h_ɔː_t s_t_ˈʌ_d_i]\
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Studies in which subsets of a defined population are identified. These groups may or may not be exposed to factors hypothesized to influence the probability of the occurrence of a particular disease or other outcome. Cohorts are defined populations which, as a whole, are followed in an attempt to determine distinguishing subgroup characteristics.
By DataStellar Co., Ltd
Word of the day
dust storm
- a windstorm that lifts up clouds of dust or sand a windstorm that lifts up clouds dust or sand; "it was the kind of duster not experienced in years"