Table 1.

Characteristics of the Study Population by Vaccine Period

	Pneumonia Hospitalizations				Pneumonia Deaths
	Prevaccine Period (n = 2954)		Postvaccine Period (n = 3989)		Prevaccine Period (n = 97)		Postvaccine Period (n = 104)
	n	%	n	%	n	%	n	%
Hospital site
Francistown	1359	46	1835	46	34	35	46	44
Gaborone	1034	35	1316	33	39	40	34	33
Maun	561	19	838	21	24	25	24	23
Age
1–11 m	1568	53	2178	55	84	87	73	70
12–59 m	1386	47	1811	45	13	13	31	30
Sex
Female	1300	44	1755	44	48	49	52	50
Male	1654	56	2234	56	49	51	52	50
HIV exposure status
HIV-exposed	561	19	1197	30	21	22	49	47
HIV-unexposed	620	21	2393	60	17	18	50	48
Unknown	1773	60	399	10	59	60	5	5

The prevaccine period corresponds to January 2009 to October 2010 and the postvaccine period (after introduction of Hib vaccine and PCV-13) corresponds to January 2013 to December 2017.

Abbreviations: Hib, Haemophilus influenzae type b; HIV, human immunodeficiency virus; PCV-13, 13-valent pneumococcal conjugate vaccine.