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Review and Preview

Review and Preview

In statistics, several tools are used to interpret the data. Measures of central tendency represent the characteristics of the data, such as mean, median, and mode. Additionally, measures of variance like standard deviation and range are used to find the spread of data from the mean. Relative standing measures the distance between data locations. Commonly used measures of relative standings are percentile, z score, and quartiles.
Percentiles are a type of fractile that partition data into...

Review and Preview

Review and Preview

Data are individual items of information obtained from a population or sample. Data may be classified as qualitative (categorical), quantitative continuous, or quantitative discrete. Because it is not practical to measure the entire population in a study, researchers use samples to represent the population. A random sample is a representative group from the population chosen by using a method that gives each individual in the population an equal chance of being included in the sample. Random...

Random and Systematic Errors

Random and Systematic Errors

Scientists always try their best to record measurements with the utmost accuracy and precision. However, sometimes errors do occur. These errors can be random or systematic. Random errors are observed due to the inconsistency or fluctuation in the measurement process, or variations in the quantity itself that is being measured. Such errors fluctuate from being greater than or less than the true value in repeated measurements. Consider a scientist measuring the length of an earthworm using a...

Systematic Sampling Method

Systematic Sampling Method

Sampling is a technique to select a portion (or subset) of the larger population and study that portion (the sample) to gain information about the population. Data are the result of sampling from a population. The sampling method ensures that samples are drawn without bias and accurately represent the population. Because measuring the entire population in a study is not practical, researchers use samples to represent the population of interest.
Systematic sampling is one of the simplest methods...

Propagation of Uncertainty from Systematic Error

Propagation of Uncertainty from Systematic Error

The atomic mass of an element varies due to the relative ratio of its isotopes. A sample's relative proportion of oxygen isotopes influences its average atomic mass. For instance, if we were to measure the atomic mass of oxygen from a sample, the mass would be a weighted average of the isotopic masses of oxygen in that sample. Since a single sample is not likely to perfectly reflect the true atomic mass of oxygen for all the molecules of oxygen on Earth, the mass we obtain from this...

Systematic Error: Methodological and Sampling Errors

Systematic Error: Methodological and Sampling Errors

In the case of systematic errors, the sources can be identified, and the errors can be subsequently minimized by addressing these sources. According to the source, systematic errors can be divided into sampling, instrumental, methodological, and personal errors.
Sampling errors originate from improper sampling methods or the wrong sample population. These errors can be minimized by refining the sampling strategy. Defective instruments or faulty calibrations are the sources of instrumental...

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Related Experiment Video

Updated: Feb 10, 2026

Embryo Rescue Protocol for Interspecific Hybridization in Squash

Embryo Rescue Protocol for Interspecific Hybridization in Squash

Published on: September 12, 2022

Rescue Protocols for Canine Non-Indolent B Cell Lymphoma: A Systematic Review.

Claire Marie Cannon¹, Peter Bennett¹

¹Melbourne Veterinary School, Faculty of Science, The University of Melbourne, Parkville, Victoria, Australia.

Veterinary and Comparative Oncology

|February 8, 2026

Summary

This systematic review sought the most effective rescue chemotherapy for canine lymphoma resistant to CHOP treatment. Unfortunately, no studies reported sufficient data, leaving the optimal protocol undetermined.

Keywords:

dogs drug therapy lymphoma

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Area of Science:

Veterinary Oncology
Comparative Oncology

Background:

Canine lymphoma, particularly diffuse large B cell lymphoma (DLBCL), is a common cancer in dogs.
While many dogs initially respond to multiagent chemotherapy (CHOP), relapse and resistance are frequent challenges.
Effective rescue chemotherapy protocols for CHOP-resistant canine lymphoma are needed, but the most effective option remains unknown.

Purpose of the Study:

To systematically review and identify the most effective rescue chemotherapy protocol for dogs with multicentric non-indolent B cell lymphoma that is resistant to initial CHOP-based chemotherapy.

Main Methods:

A systematic review was conducted, involving an initial screening of articles.
Full-text review of 65 articles was performed to identify relevant studies.
Data extraction focused on outcomes for dogs with CHOP-resistant multicentric non-indolent B cell lymphoma.

Main Results:

Despite reviewing 65 full-text articles, no studies provided identifiable outcomes for the specific population of interest (dogs with CHOP-resistant multicentric non-indolent B cell lymphoma).
The research question regarding the most effective rescue chemotherapy protocol could not be answered based on the available literature.

Conclusions:

The current literature lacks sufficient data to determine the most effective rescue chemotherapy protocol for canine lymphoma resistant to CHOP treatment.
Future research should prioritize reporting outcomes separately for distinct canine lymphoma populations based on disease characteristics and prior treatment to guide clinical decisions.