Patients were divided into two groups according to their age of disease onset vs Patients were divided into two groups according their age of disease onset

The correct phrase is 'patients were divided into two groups according to their age of disease onset.' The preposition 'to' is necessary after 'according' to show the relationship between the division and the age of disease onset.

Last updated: March 23, 2024 • 2002 views

Patients were divided into two groups according to their age of disease onset

This phrase is correct and commonly used in English.

This phrase is used to explain how patients were categorized into groups based on the age at which their disease started.

Show examples from the web [+]

Patients were divided into and dosed according to three body- weight groups (see section 4.2) for 12 weeks.
The undertakings were divided into two different categories according to their relative importance in the market.
Polychlorinated biphenyls, ("PCBs"), are a group of 209 different congeners which can be divided into two groups according to their toxicological properties:
The searchers, tired, some still drunk, were divided into two groups:
Polychlorinated biphenyls, («PCBs»), are a group of 209 different congeners which can be divided into two groups according to their toxicological properties: 12 congeners exhibit toxicological properties similar to dioxins and are therefore often termed «dioxin-like PCBs».
Polychlorinated biphenyls (PCBs) are a group of 209 different congeners which can be divided into two groups according to their toxicological properties: 12 congeners exhibit toxicological properties similar to dioxins and are therefore often referred to as 'dioxin-like PCBs' (DL-PCB).
Polychlorinated biphenyls (PCBs) are a group of 209 different congeners which can be divided into two groups according to their toxicological properties: a small number exhibit toxicological properties similar to dioxins and are therefore often termed 'dioxin-like PCBs'.
Polychlorinated biphenyls (PCBs) are a group of 209 different congeners which can be divided into two groups according to their toxicological properties: 12 congeners exhibit toxicological properties similar to dioxins and are therefore often termed dioxin-like PCBs.
Polychlorinated biphenyls (PCBs) are a group of 209 different congeners which can be divided into two groups according to their toxicological properties: 12 congeners exhibit toxicological properties similar to dioxins and are therefore often termed dioxin-like PCBs (DL-PCBs).
Polychlorinated biphenyls (PCBs) are a group of 209 different congeners which can be divided into two groups according to their toxicological properties: 12 congeners exhibit similar toxicological properties to dioxins and are therefore often termed 'dioxin-like PCBs'.
considers that, in order to achieve balanced development between the different areas of the EU, it should be noted that European regions can be divided into two groups according to the two main problems they face:
1.5 considers that, in order to achieve balanced development between the different areas of the EU, it should be noted that European regions can be divided into two groups according to the two main problems they face:
Machines are divided into two groups:
The directive is concerned with six different softeners divided into two groups.
The priorities and intermediate objectives in the Accession Partnership are divided into two groups - short and medium term.
We were divided into two units And given drugs to ready us to fight.
Assets were divided into two tiers in order to accommodate differences in financial structures between Member States at the beginning of EMU.
Second, it has to be considered that the creditors of Karjaportti were divided into different groups, according to their ranking.
For the purposes of applying the bonus, dealers were divided into categories according to the number of cars in their target.
This report is divided into two parts, according to EU regulation.

Patients were divided into two groups according their age of disease onset

This phrase is incorrect. The preposition 'to' is needed after 'according' to show the relationship between the division and the age of disease onset.

Show examples from the web [+]

The searchers, tired, some still drunk, were divided into two groups:
Patients were divided into and dosed according to three body- weight groups (see section 4.2) for 12 weeks.
The undertakings were divided into two different categories according to their relative importance in the market.
Polychlorinated biphenyls, ("PCBs"), are a group of 209 different congeners which can be divided into two groups according to their toxicological properties:
Machines are divided into two groups:
The directive is concerned with six different softeners divided into two groups.
The priorities and intermediate objectives in the Accession Partnership are divided into two groups - short and medium term.
We were divided into two units And given drugs to ready us to fight.
Assets were divided into two tiers in order to accommodate differences in financial structures between Member States at the beginning of EMU.
Polychlorinated biphenyls, («PCBs»), are a group of 209 different congeners which can be divided into two groups according to their toxicological properties: 12 congeners exhibit toxicological properties similar to dioxins and are therefore often termed «dioxin-like PCBs».
Polychlorinated biphenyls (PCBs) are a group of 209 different congeners which can be divided into two groups according to their toxicological properties: 12 congeners exhibit toxicological properties similar to dioxins and are therefore often referred to as 'dioxin-like PCBs' (DL-PCB).
Polychlorinated biphenyls (PCBs) are a group of 209 different congeners which can be divided into two groups according to their toxicological properties: a small number exhibit toxicological properties similar to dioxins and are therefore often termed 'dioxin-like PCBs'.
Polychlorinated biphenyls (PCBs) are a group of 209 different congeners which can be divided into two groups according to their toxicological properties: 12 congeners exhibit toxicological properties similar to dioxins and are therefore often termed dioxin-like PCBs.
Polychlorinated biphenyls (PCBs) are a group of 209 different congeners which can be divided into two groups according to their toxicological properties: 12 congeners exhibit toxicological properties similar to dioxins and are therefore often termed dioxin-like PCBs (DL-PCBs).
Polychlorinated biphenyls (PCBs) are a group of 209 different congeners which can be divided into two groups according to their toxicological properties: 12 congeners exhibit similar toxicological properties to dioxins and are therefore often termed 'dioxin-like PCBs'.
The configuration is divided into two groups, namely
The beneficiary countries are divided into two groups:
The beneficiary States will be divided into two groups between the two FPs.
For the purposes of such classification fluids shall be divided into two groups in accordance with 2.1 and 2.2.
considers that, in order to achieve balanced development between the different areas of the EU, it should be noted that European regions can be divided into two groups according to the two main problems they face:

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Patients were divided into two groups according to their age of disease onset vs Patients were divided into two groups according their age of disease onset