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. 2023 Jul 25;77(Suppl 2):S199–S205. doi: 10.1093/cid/ciad324

Table 3.

Summary Outcomes: Antibiotic Prescriptions by Malaria and Respiratory Disease Status

Malaria RDT and Disease Status Patients With ATBs Prescribed/Total in Group, No. (%) Effect
Intervention Group Control Group Relative: RR
(95% CI)
Absolute: RD
(95% CI)
No. Needed to Testa
Malaria RDT negative 504/1187
(42.5)
669/1107
(60.4)
30% Reduction
(−24% to −35%)
18 Fewer ATB Rx per 100 patients tested
(14–22 fewer)
1 Fewer ATB Rx for every 6 patients tested (range: 7 to 5 patients)
Respiratory disease 747/1511
(49.4)
743/1177
(63.1)
23% Reduction
(−18% to −28%)
15 Fewer ATB Rx per 100 patients tested
(11–18 fewer)
1 Fewer ATB Rx every 7 patients tested (range: 9 to 6 patients)
Malaria RDT negative and respiratory disease 390/938
(41.6)
443/751
(59)
31% Reduction
(−24% to −33%)
18 Fewer ATB Rx per 100 patients tested
(13–22 fewer)
1 Fewer ATB Rx for every 6 patients tested (range: 8 to 5 patients)

Abbreviations: ATB, antibiotic; CI, confidence interval; RD, risk difference; RDT, rapid diagnostic test; RR, risk ratio; Rx, prescription(s).

Number needed to test to prevent 1 more ATB Rx if results were negative.