Table 2. Mean annual influenza-associated excess mortality among pulmonary tuberculosis and non-tuberculosis respiratory deaths in South Africa, 1999–2009.

Cause of death	Estimated mean annual influenza-associated deaths
	Total
	Number Mean (95% CI)	Rate per 100,000 person years Mean (95% CI)	Percentage mortality over model baseline Mean (95% CI)
Pulmonary tuberculosis 1
<65	375 (213–531)	141 (122–150)	1.8 (1.6–2.0)
≥65	64 (35–86)	836 (555–984)	4.4 (3.4–5.6)
All Age groups	439 (248–617)	164 (144–174)	2.0 (1.8–2.2)
Non-tuberculosis respiratory 2 .
<65	2063 (1455–2799)	4.6 (4.4–4.8)	6.3 (6.1–6.6)
≥65	1430 (1149–1733)	64 (61–68)	14.9 (14.2–15.6)
All age groups	3493 (2604–4532)	7.4 (7.2–7.6)	8.3 (8.0–8.6)
Non-tuberculosis respiratory 2 HIV+
<65	1125 (794–1525)	27 (26–29)	N/A
≥65	Not determined	Not determined	N/A
All age groups	1125 (794–1525)	27 (26–29)	N/A
Non-tuberculosis respiratory 2 HIV-
<65	937 (661–1273)	2 (1.6–3.1)	N/A
≥65	1430 (1149–1733)	64 (61–68)	N/A
All age groups	2367 (1810–3006)	5 (3.1–5.3)	N/A

¹Any individual with PTB

²Any individual without PTB