"SpO2/FiO2 ratio" meaning in English

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        "2": "SpO2>peripheral oxygen saturation",
        "3": "FiO2>fraction of inspired oxygen",
        "4": "ratio>relative magnitude",
        "id": "measurement for lung function"
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  "etymology_text": "From SpO2 + FiO2 + ratio.",
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      "form": "SpO₂/FiO₂ ratio",
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      "form": "FiO2 ratios",
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  "lang_code": "en",
  "pos": "noun",
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          "word": "S/F ratio"
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          "word": "SpO2/FiO2"
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      "glosses": [
        "A proxy measurement for the assessment of lung function using the PaO2/FiO2 ratio."
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        [
          "PaO2/FiO2 ratio",
          "PaO2/FiO2 ratio#English"
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          "word": "ratio"
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        {
          "word": "SpO2"
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        {
          "word": "FiO2"
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  ],
  "word": "SpO2/FiO2 ratio"
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      "word": "S/F ratio"
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      "word": "SpO2/FiO2"
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  "etymology_text": "From SpO2 + FiO2 + ratio.",
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      "form": "FiO2 ratios",
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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      "word": "ratio"
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      "word": "SpO2"
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        "English terms derived from the Proto-Indo-European root *bʰer-",
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        "A proxy measurement for the assessment of lung function using the PaO2/FiO2 ratio."
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          "PaO2/FiO2 ratio#English"
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  "word": "SpO2/FiO2 ratio"
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