Table 3 Age-specific TB peak time detected by Serfling regression models in Nanshan.

From: Times series analysis of age-specific tuberculosis at a rapid developing region in China, 2011–2016

age group

Amplitude (%)

RR

RD

Peak month

All ages

24.1

1.6

0.5

May

Age 0–14*

Age 15–24

34.8

2.1

0.7

May

Age 25–34

15.5

1.5

0.4

June

Age 35–44

9.1

1.2

0.2

June

Age 45–54

12.1

1.3

0.2

August

Age 55–64

53.5

2.1

0.5

May

Age ≥ 65

45.5

2.0

0.7

April

  1. Notes: RR: Related Risk = Peak/Trough, RD: Risk Difference = Peak-Trough; ≥ 65: 65 years and older; *Age group of 0–14 was showed in randomized distribution without any long and season trend.