| operative | 1. Having the power of acting; hence, exerting force, physical or moral; active in the production of effects; as, an operative motive. "It holds in all operative principles." (South) 2. Producing the appropriate or designed effect; efficacious; as, an operative dose, rule, or penalty. 3. <surgery> Based upon, or consisting of, an operation or operations; as, operative surgery. Origin: Cf.L. Operativus, F. Operatif. Source: Websters Dictionary (01 Mar 1998) |
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| operative dentistry | Usually, the individual restoration of teeth by means of metallic or nonmetallic materials. Synonym: restorative dentistry. (05 Mar 2000) |
| operative myxoedema | Myxoedema developing after thyroidectomy. (05 Mar 2000) |
| maternal mortality | Maternal deaths resulting from complications of pregnancy and childbirth in a given population. (12 Dec 1998) |
| perinatal mortality | Mortality around the time of birth, conventionally limited to the period from 28 weeks gestation to one week postnatal. (05 Mar 2000) |
| mortality | The death rate. The ratio of the total number of deaths to the total population. (27 Sep 1997) |
| hospital mortality | A vital statistic measuring or recording the rate of death from any cause in hospitalised populations. (12 Dec 1998) |
| standardised mortality ratio | The ratio of the number of events observed in a population to the number that would be expected if the population had the same distribution as a standard or reference population. (05 Mar 2000) |
| infant mortality | Perinatal, neonatal, and infant deaths in a given population. (12 Dec 1998) |
| type II mortality | <epidemiology> A mortality schedule in which all hosts are assumed to die at a constant rate. This constant rate is equal to the inverse of the life expectancy. (05 Dec 1998) |
| type I mortality | <epidemiology> A mortality schedule in which all hosts are assumed to live for a fixed number of years equal to the life expectancy. (05 Dec 1998) |
| abortion rate | The number of abortions per 1000 terminated pregnancies during a given period of time. (05 Mar 2000) |
| age-specific rate | A rate for a specified age group, in which the numerator and denominator refer to the same age group. (05 Mar 2000) |
| attack rate | A cumulative incidence rate used for particular groups observed for limited periods under special circumstances, such as during an epidemic. (05 Mar 2000) |
| average flow rate | <physiology> The flow rate determined by dividing the total volume passed in a time period divided by the time period, usually quoted in mls per minute. (05 Mar 2000) |