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Table 5 Rate of superficial surgical site infection and drug efficacy in elective surgery

From: Cefepime versus Ceftriaxone for perioperative systemic antibiotic prophylaxis in elective orthopedic surgery at Bugando Medical Centre Mwanza, Tanzania: a randomized clinical study

Study group

Number evaluated

Number infected

‘000 person days

IR

IRR (95 % CI)

P- value

Group A

113

3

3324

0.9

0.62 (0.26–1.37)

0.318

Group B

117

5

3429

1.5

  1. IR Incidence Rate (i.e. number per 1000 person days), IRR Incidence Rate Ratio