{
    "info": {
        "nct_id": "NCT06203327",
        "official_title": "Atrophic Gastritis Predicts the Risk of Gastric Cancer: a Prospective Cohort Study",
        "inclusion_criteria": "* Ability and willingness to participate in the study and to sign and give informed consent\n* Biopsies were collected based on the recommendation of updated Sydney system\nHealthy volunteers allowed\nMust have minimum age of 18 Years\nMust have maximum age of 70 Years",
        "exclusion_criteria": "* under 18 or over 80 years old\n* history of gastrectomy\n* severe systemic diseases or malignancy",
        "miscellaneous_criteria": ""
    },
    "inclusion_lines": [
        {
            "line": "* Ability and willingness to participate in the study and to sign and give informed consent",
            "criterions": [
                {
                    "exact_snippets": "Ability and willingness to participate in the study",
                    "criterion": "participation ability and willingness",
                    "requirements": [
                        {
                            "requirement_type": "presence",
                            "expected_value": true
                        }
                    ]
                },
                {
                    "exact_snippets": "sign and give informed consent",
                    "criterion": "informed consent",
                    "requirements": [
                        {
                            "requirement_type": "ability",
                            "expected_value": true
                        }
                    ]
                }
            ]
        },
        {
            "line": "* Biopsies were collected based on the recommendation of updated Sydney system",
            "criterions": [
                {
                    "exact_snippets": "Biopsies were collected",
                    "criterion": "biopsies",
                    "requirements": [
                        {
                            "requirement_type": "collection",
                            "expected_value": true
                        }
                    ]
                },
                {
                    "exact_snippets": "based on the recommendation of updated Sydney system",
                    "criterion": "recommendation system",
                    "requirements": [
                        {
                            "requirement_type": "system",
                            "expected_value": "updated Sydney system"
                        }
                    ]
                }
            ]
        },
        {
            "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"
                            }
                        }
                    ]
                }
            ]
        },
        {
            "line": "Must have maximum age of 70 Years",
            "criterions": [
                {
                    "exact_snippets": "maximum age of 70 Years",
                    "criterion": "age",
                    "requirements": [
                        {
                            "requirement_type": "maximum",
                            "expected_value": {
                                "operator": "<=",
                                "value": 70,
                                "unit": "Years"
                            }
                        }
                    ]
                }
            ]
        }
    ],
    "exclusion_lines": [
        {
            "line": "* under 18 or over 80 years old",
            "criterions": [
                {
                    "exact_snippets": "under 18 or over 80 years old",
                    "criterion": "age",
                    "requirements": [
                        {
                            "requirement_type": "range",
                            "expected_value": {
                                "comparisons": [
                                    {
                                        "operator": "<",
                                        "value": 18,
                                        "unit": "years"
                                    },
                                    {
                                        "operator": ">",
                                        "value": 80,
                                        "unit": "years"
                                    }
                                ]
                            }
                        }
                    ]
                }
            ]
        },
        {
            "line": "* history of gastrectomy",
            "criterions": [
                {
                    "exact_snippets": "history of gastrectomy",
                    "criterion": "gastrectomy",
                    "requirements": [
                        {
                            "requirement_type": "history",
                            "expected_value": true
                        }
                    ]
                }
            ]
        },
        {
            "line": "* severe systemic diseases or malignancy",
            "criterions": [
                {
                    "exact_snippets": "severe systemic diseases",
                    "criterion": "systemic diseases",
                    "requirements": [
                        {
                            "requirement_type": "severity",
                            "expected_value": "severe"
                        }
                    ]
                },
                {
                    "exact_snippets": "malignancy",
                    "criterion": "malignancy",
                    "requirements": [
                        {
                            "requirement_type": "presence",
                            "expected_value": true
                        }
                    ]
                }
            ]
        }
    ],
    "miscellaneous_lines": [],
    "failed_inclusion": [],
    "failed_exclusion": [],
    "failed_miscellaneous": []
}