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Table 1 The relationship between seasonality, latitude and tuberculosis phenotype in Pakistan. Original table. No permissions required

From: The relationship between seasonality, latitude and tuberculosis notifications in Pakistan

 

Peak /Trough quarter

Mean seasonal amplitude (%), 95% CI

Mean difference (%), 95% CI, p

Type III test for group difference

Overall

Q2/Q4

25.5 (25.0–25.9)

NA

 

Latitude

   

< 0.001

 24.5- < 26.5

Q2/Q4

29.5 (29.3–29.7)

7.7 (6.3, 9.2), < 0.001

 

 26.5- < 28.5

Q2/Q4

24.3 (23.7–24.8)

2.5 (1.1, 4.0), < 0.001

 

 28.5- < 30.5

Q2/Q4

23.9 (23.4–24.3)

2.1 (0.7, 3.6), 0.004

 

 30.5- < 32.5

Q2/Q4

24.3 (23.0–25.5)

2.5 (1.1, 4.0), < 0.001

 

 32.5- < 34.5

Q2/Q4

24.6 (23.2–25.9)

2.8 (1.4, 4.3), < 0.001

 

 34.5- < 36.5

Q2/Q4

21.7 (19.6–23.9)

0.0 (reference)

 

Type of TB

   

< 0.001

 Pulmonary TB 

Q2/Q4

21.6 (21.4–21.8)

0.0 (reference)

 

 Extrapulmonary TB 

Q2/Q4

32.6 (32.1–33.1)

11.0 (10.6, 11.5), < 0.001

 
  1. Notes: the mean annual seasonal amplitude was calculated from the seasonal component as the annual difference between the peak and trough as a proportion of the annual mean case count