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| (1) | Provide in the abstract an informative and balanced summary of what was done and what was found. |
| (2) | State specific objectives, including any prespecified hypotheses. |
| (3) | Describe the setting, location, type of data collection and relevant dates, including periods of recruitment. |
| (4) | Describe relevant data of follow-up time, including end of study period. |
| (5) | Give the eligibility criteria of participants, and the sources and methods of selection. |
| (6) | Clearly define all outcomes, exposures, predictors, potential confounders, and effect modifiers. Give diagnostic criteria for episodes of peritonitis. |
| (7) | Explain how the study size was arrived at. |
| (8) | Describe all statistical methods, including those used to control for confounding. |
| (9) | Describe any methods used to examine subgroups and interactions. |
| (10) | Give demographic characteristics of study participants, at least gender and age. |
| (11) | Summarize follow-up time (average per patient and total amount). |
| (12) | Report numbers of peritonitis episodes or peritonitis rate over time. |
| (13) | Give unadjusted and confounder-adjusted estimates and their precision. |
| (14) | Discuss limitations of the study, taking into account sources of potential bias or imprecision. |
| (15) | Give a cautious overall interpretation of results considering objectives, multiplicity of analyses, results from similar studies, and other relevant evidence. |
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