Activity

In Quarter 2 (Apr to Jun) 2024 there was:

• a reduction in iGAS cases of 15.3% (105 cases) when compared with Quarter 2 2023 (124 cases)
• an increase of 1.0% when compared with Quarter 1 (Jan to Mar) 2024 (104 cases)

Age

In Quarter 2 2024 the largest proportion of iGAS cases were in adults:

• aged 45 to 64 years (32.4% or 34 out of 105 cases)
• aged 65 years and older (31.4% or 33 out of 105 cases)

This compares with Quarter 2 of 2023 where the largest proportions were in adults aged 65 years and older (33.1% or 41 out of 124 cases) followed by 45 to 64 years (23.4% or 29 out of 124 cases) and 15 to 44 years (22.6% or 28 out of 124 cases).

Location

In Quarter 2 2024 most iGAS cases were reported from NHS Lothian (24.8% or 26 out of 105 cases) followed by:

• NHS Greater Glasgow and Clyde – 15.2% or 16 out of 105 cases
• NHS Tayside – 12.4% or 13 out of 105 cases

Mortality

The percentage of iGAS cases reported to have died was 9.5% (10 out of 105 cases).

This is within the range of 5.6% to 12.0% reported to have died annually between 2018 and 2023.

Typing

Emm typing was available for 76.2% (80 out of 105 cases) of iGAS cases.

Of these, emm type 3.93 accounted for 25.0% (20 out of 80 cases) of iGAS cases typed, followed by:

• emm type 89.0 – 12.5% or 10 out of 80 cases
• emm type 28.0 – 7.5% or 6 out of 80 cases.