Table 3 Inhaler canisters dispensed per patient for different ICS from 2015–2023.

From: Resultant greenhouse gases from the use of inhaled corticosteroid based on Global Initiative for Asthma (GINA) guidelines: a primary care used case from Singapore

Year

Beclomethasone Dipropionate

Budesonide

Fluticasone propionate

SABA

Beclomethasone Dipropionate

SABA

Budesonide

SABA

Fluticasone propionate

2015

5.3

3.8

4.7

4.0

4.4

4.6

2016

4.9

3.7

4.4

3.8

4.3

4.8

2017

4.9

3.6

4.5

3.7

3.6

4.4

2018

4.6

3.4

3.7

3.5

3.9

4.2

2019

4.5

3.5

4.2

3.7

3.2

4.1

2020

4.3

3.8

3.8

3.9

3.5

4.7

2021

4.1

3.8

3.6

3.0

3.7

4.6

2022

4.2

3.8

3.7

2.8

3.7

5.0

2023

3.9

3.7

3.6

2.9

3.6

4.8