Table 1.
Open in new tab

Temporal Trends in Isolation of Salmonella and Estimated Minimum Incidence of Salmonella Bloodstream Infection at Queen Elizabeth Central Hospital, Blantyre, Malawi, 1998–2014

Characteristic19981999200020012002200320042005200620072008200920102011201220132014
Typhoidal Salmonella isolated, No.a241354491719181016191867186843782
Incidence, 100/100 000/yb9.14.91.91.41.43.15.76.25.73.14.85.5523.447.5206.6184.1
Case fatality rate, %c3 [20]3 [20]3 [20]
Total nontyphoidal Salmonella, No.54162368678313811323876847671629498343264216154148138
Salmonella Typhimurium, No.44137539744610401187710737601563443287209185131129119
Salmonella Enteritidis, No.792092323182261067978534942363422191213
Other Salmonella serovars, No.2139571911530873217171320219476
Incidence, 100/100 000/yearb1031171301372422281471381069775503730201916
Case fatality rate, %c
 Adults29 [18]47 [2]27 [18]19 [18]20 [18]11 [19]11 [19]
 Children23 [3]20d
Malaria prevalence in febrile children, %35332426172025262522
Total No. of blood cultures taken8545782380527653897811 17410 65312 93310 1239167862879918507989010 43312 81513 663
Estimated population, Blantyre urban, thousands527530526571571580596613632645663692721752783816850
Characteristic19981999200020012002200320042005200620072008200920102011201220132014
Typhoidal Salmonella isolated, No.a241354491719181016191867186843782
Incidence, 100/100 000/yb9.14.91.91.41.43.15.76.25.73.14.85.5523.447.5206.6184.1
Case fatality rate, %c3 [20]3 [20]3 [20]
Total nontyphoidal Salmonella, No.54162368678313811323876847671629498343264216154148138
Salmonella Typhimurium, No.44137539744610401187710737601563443287209185131129119
Salmonella Enteritidis, No.792092323182261067978534942363422191213
Other Salmonella serovars, No.2139571911530873217171320219476
Incidence, 100/100 000/yearb1031171301372422281471381069775503730201916
Case fatality rate, %c
 Adults29 [18]47 [2]27 [18]19 [18]20 [18]11 [19]11 [19]
 Children23 [3]20d
Malaria prevalence in febrile children, %35332426172025262522
Total No. of blood cultures taken8545782380527653897811 17410 65312 93310 1239167862879918507989010 43312 81513 663
Estimated population, Blantyre urban, thousands527530526571571580596613632645663692721752783816850

a All Salmonella Typhi, no Salmonella Paratyphi detected.

b Assumes sensitivity of blood culture 50%.

c Case fatality rate where available from substudies.

d Previously unpublished data.

Table 1.
Open in new tab

Temporal Trends in Isolation of Salmonella and Estimated Minimum Incidence of Salmonella Bloodstream Infection at Queen Elizabeth Central Hospital, Blantyre, Malawi, 1998–2014

Characteristic19981999200020012002200320042005200620072008200920102011201220132014
Typhoidal Salmonella isolated, No.a241354491719181016191867186843782
Incidence, 100/100 000/yb9.14.91.91.41.43.15.76.25.73.14.85.5523.447.5206.6184.1
Case fatality rate, %c3 [20]3 [20]3 [20]
Total nontyphoidal Salmonella, No.54162368678313811323876847671629498343264216154148138
Salmonella Typhimurium, No.44137539744610401187710737601563443287209185131129119
Salmonella Enteritidis, No.792092323182261067978534942363422191213
Other Salmonella serovars, No.2139571911530873217171320219476
Incidence, 100/100 000/yearb1031171301372422281471381069775503730201916
Case fatality rate, %c
 Adults29 [18]47 [2]27 [18]19 [18]20 [18]11 [19]11 [19]
 Children23 [3]20d
Malaria prevalence in febrile children, %35332426172025262522
Total No. of blood cultures taken8545782380527653897811 17410 65312 93310 1239167862879918507989010 43312 81513 663
Estimated population, Blantyre urban, thousands527530526571571580596613632645663692721752783816850
Characteristic19981999200020012002200320042005200620072008200920102011201220132014
Typhoidal Salmonella isolated, No.a241354491719181016191867186843782
Incidence, 100/100 000/yb9.14.91.91.41.43.15.76.25.73.14.85.5523.447.5206.6184.1
Case fatality rate, %c3 [20]3 [20]3 [20]
Total nontyphoidal Salmonella, No.54162368678313811323876847671629498343264216154148138
Salmonella Typhimurium, No.44137539744610401187710737601563443287209185131129119
Salmonella Enteritidis, No.792092323182261067978534942363422191213
Other Salmonella serovars, No.2139571911530873217171320219476
Incidence, 100/100 000/yearb1031171301372422281471381069775503730201916
Case fatality rate, %c
 Adults29 [18]47 [2]27 [18]19 [18]20 [18]11 [19]11 [19]
 Children23 [3]20d
Malaria prevalence in febrile children, %35332426172025262522
Total No. of blood cultures taken8545782380527653897811 17410 65312 93310 1239167862879918507989010 43312 81513 663
Estimated population, Blantyre urban, thousands527530526571571580596613632645663692721752783816850

a All Salmonella Typhi, no Salmonella Paratyphi detected.

b Assumes sensitivity of blood culture 50%.

c Case fatality rate where available from substudies.

d Previously unpublished data.

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