{
    "info": {
        "nct_id": "NCT04659148",
        "official_title": "Surgical and Oncological Outcomes in Patients With Ulcerative Colitis Associated Rectal Cancer: a Retrospective Study",
        "inclusion_criteria": "* Patients diagnosed with Ulcerative Colitis;\n* Patients diagnosed with rectal cancer (within 15 cm from the anal verge);\n* Patients who underwent surgery for rectal cancer between January 2004 and January 2020;\n* All type of surgery will be included;\n* Surgery in elective and emergency settings.\nHealthy volunteers allowed\nMust have minimum age of 18 Years",
        "exclusion_criteria": "* Patients aged<18 years;\n* Patients with a diagnosis of undetermined colitis;\n* Insufficient follow-up data.",
        "miscellaneous_criteria": ""
    },
    "inclusion_lines": [
        {
            "line": "* Patients diagnosed with Ulcerative Colitis;",
            "criterions": [
                {
                    "exact_snippets": "Patients diagnosed with Ulcerative Colitis",
                    "criterion": "Ulcerative Colitis",
                    "requirements": [
                        {
                            "requirement_type": "diagnosis",
                            "expected_value": true
                        }
                    ]
                }
            ]
        },
        {
            "line": "* Patients diagnosed with rectal cancer (within 15 cm from the anal verge);",
            "criterions": [
                {
                    "exact_snippets": "Patients diagnosed with rectal cancer",
                    "criterion": "rectal cancer",
                    "requirements": [
                        {
                            "requirement_type": "diagnosis",
                            "expected_value": true
                        }
                    ]
                },
                {
                    "exact_snippets": "within 15 cm from the anal verge",
                    "criterion": "tumor location",
                    "requirements": [
                        {
                            "requirement_type": "distance from anal verge",
                            "expected_value": {
                                "operator": "<=",
                                "value": 15,
                                "unit": "cm"
                            }
                        }
                    ]
                }
            ]
        },
        {
            "line": "* Patients who underwent surgery for rectal cancer between January 2004 and January 2020;",
            "criterions": [
                {
                    "exact_snippets": "underwent surgery for rectal cancer",
                    "criterion": "surgery for rectal cancer",
                    "requirements": [
                        {
                            "requirement_type": "timeframe",
                            "expected_value": {
                                "comparisons": [
                                    {
                                        "operator": ">=",
                                        "value": 2004,
                                        "unit": "year"
                                    },
                                    {
                                        "operator": "<=",
                                        "value": 2020,
                                        "unit": "year"
                                    }
                                ]
                            }
                        }
                    ]
                }
            ]
        },
        {
            "line": "* All type of surgery will be included;",
            "criterions": [
                {
                    "exact_snippets": "All type of surgery will be included",
                    "criterion": "surgery type",
                    "requirements": [
                        {
                            "requirement_type": "inclusion",
                            "expected_value": true
                        }
                    ]
                }
            ]
        },
        {
            "line": "* Surgery in elective and emergency settings.",
            "criterions": [
                {
                    "exact_snippets": "Surgery in elective and emergency settings.",
                    "criterion": "surgery",
                    "requirements": [
                        {
                            "requirement_type": "setting",
                            "expected_value": [
                                "elective",
                                "emergency"
                            ]
                        }
                    ]
                }
            ]
        },
        {
            "line": "Healthy volunteers allowed",
            "criterions": [
                {
                    "exact_snippets": "Healthy volunteers allowed",
                    "criterion": "volunteer health status",
                    "requirements": [
                        {
                            "requirement_type": "status",
                            "expected_value": "healthy"
                        }
                    ]
                }
            ]
        },
        {
            "line": "Must have minimum age of 18 Years",
            "criterions": [
                {
                    "exact_snippets": "minimum age of 18 Years",
                    "criterion": "age",
                    "requirements": [
                        {
                            "requirement_type": "minimum",
                            "expected_value": {
                                "operator": ">=",
                                "value": 18,
                                "unit": "Years"
                            }
                        }
                    ]
                }
            ]
        }
    ],
    "exclusion_lines": [
        {
            "line": "* Patients aged<18 years;",
            "criterions": [
                {
                    "exact_snippets": "aged<18 years",
                    "criterion": "age",
                    "requirements": [
                        {
                            "requirement_type": "age",
                            "expected_value": {
                                "operator": "<",
                                "value": 18,
                                "unit": "years"
                            }
                        }
                    ]
                }
            ]
        },
        {
            "line": "* Patients with a diagnosis of undetermined colitis;",
            "criterions": [
                {
                    "exact_snippets": "diagnosis of undetermined colitis",
                    "criterion": "undetermined colitis",
                    "requirements": [
                        {
                            "requirement_type": "diagnosis",
                            "expected_value": true
                        }
                    ]
                }
            ]
        },
        {
            "line": "* Insufficient follow-up data.",
            "criterions": [
                {
                    "exact_snippets": "Insufficient follow-up data",
                    "criterion": "follow-up data",
                    "requirements": [
                        {
                            "requirement_type": "sufficiency",
                            "expected_value": true
                        }
                    ]
                }
            ]
        }
    ],
    "miscellaneous_lines": [],
    "failed_inclusion": [],
    "failed_exclusion": [],
    "failed_miscellaneous": []
}