The number of comorbidities, organ supports and drugs involved in the ADEs were categorized into four groups (0, 1, 2 and ≥3) and were analyzed as categorical variables.
The specimens were categorized into four groups.
The final framework consists of 25 criteria categorized into four groups.
One hundred twenty-seven rainfall storms for Sinai area were categorized into four groups according to the total duration.
The subjects were categorized into four groups based on the number of factors meeting the criteria for metabolic syndrome.
They can be categorized into four groups: empirical models, deterministic models, semi-deterministic models, and hybrid models.
The principal factors affecting the decomposer's thermal design are categorized into four groups: rate constants, geometrical parameters, heat transfer parameters, and operating conditions.
The reviewed methods are broadly categorized into four groups, depending on the modality adopted for recognition: RGB-based, depth-based, skeleton-based and RGB+D-based.
With this tool, the specimens were categorized into four groups: high positive (HP), positive (P), low positive (LP), and negative (N).
For representing a radiant intensity distribution of light sources, various models have been proposed and they can be categorized into four groups as shown in Fig. 1.
These motifs can be categorized into four groups based on their relatedness to hypoxia & light, energy & sugar metabolism, transcription & cell division, and hormones & stress.
