Helicobacter pylori recurrence after eradication in Latin America: Implications for gastric cancer prevention

Table 2 Estimated Helicobacter pylori recurrence rates in Latin America studies

Ref.	Patients that received antibiotics	Patients present at f/u appointment	Recurrent cases total	Crude reinfection rate1	Follow-up (yr)	Year patients (present at f-u appointment)	Recurrence rate per 100 PY (95%CI)
Morgan et al[22]	1133	1091	125	11.46	1	1091	11.46 (9.54-13.65)
Silva et al[34]	147	112	10	8.98	5	557	1.80 (0.86-3.30)
Mesquita et al[35]	50	50	6	12.00	3	150	4.00 (1.47-8.71)
Coelho et al[36]	29	43	6	13.95	1.5	64.5	9.30 (3.41-20.25)
Rollan et al[37]	84	96	12	12.50	3	260	4.62 (2.39-8.06)
Figueroa et al[38]	47	53	1	1.89	1	53	1.89 (0.05-10.52)
Novoa-Reyes et al[39]	101	65	5	7.69	2	130	3.85 (1.25-8.98)
Soto et al[40]	201	216	44	20.37	1.5	324	13.58 (9.87-18.23)
Leal-Herrera et al[41]	141	131	32	24.43	2	262	12.21 (8.35-17.24)
Mohar et al[42]	183	109	26	23.85	1	109	23.85 (15.58-34.95)
Sivapalasingam et al[43]	543	462	57	12.34	1	462	12.34 (9.34-15.98)
Mera et al[19,44]	679	126	108	85.37	16	2024	5.34 (4.38-6.44)
Total	3338	2554	432	16.92		5487	7.89 (5.27-10.51)

¹Crude reinfection rate: Recurrent cases total/Patients present at follow-up appointment.