[The efficacy in using an extremely high-frequency electromagnetic field in the combined treatment of chronic bronchitis patients].

{
  "study_type": "other",
  "exposure": {
    "band": "mmWave",
    "source": "therapeutic/physiotherapy device",
    "frequency_mhz": null,
    "sar_wkg": null,
    "duration": null
  },
  "population": "Patients with chronic bronchitis",
  "sample_size": null,
  "outcomes": [
    "Clinical benefit/efficacy in combined treatment of chronic bronchitis"
  ],
  "main_findings": "The abstract states that combined treatment including an extremely high-frequency electromagnetic field (millimetric waves) was beneficial for patients with chronic bronchitis.",
  "effect_direction": "benefit",
  "limitations": [
    "No sample size provided in abstract.",
    "No exposure parameters (exact frequency, dose/SAR, duration) reported in abstract.",
    "Outcomes and effect size are not described in the abstract.",
    "Study design details and comparator information are not provided in the abstract."
  ],
  "evidence_strength": "insufficient",
  "confidence": 0.62,
  "peer_reviewed_likely": "yes",
  "keywords": [
    "chronic bronchitis",
    "physiotherapy",
    "extremely high frequency",
    "millimetric waves",
    "electromagnetic field",
    "combined treatment"
  ],
  "suggested_hubs": []
}