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   "source": [
    "# Sensitivitet, specificitet og positiv/negativ prædiktiv værdi"
   ]
  },
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    "$$\n",
    "Sensitivitet = P(Positiv\\ test | syg) = \\frac{antal\\ sandt\\ positive}{antal\\ sandt\\ positive + antal\\ falsk\\ negative}\n",
    "$$\n",
    "\n",
    "$$\n",
    "Specificitet = P(Negativ\\ test|rask) = \\frac{antal\\ sandt\\ negative}{antal\\ sandt\\ negative + antal\\ falsk\\ positive}\n",
    "$$\n",
    "\n",
    "$$\n",
    "PPV = P(Syg|positiv\\ test) = \\frac{antal\\ sande\\ positive}{antal\\ sande\\ positive + antal\\ falske\\ positive}\n",
    "$$\n",
    "\n",
    "$$\n",
    "NPV = P(Rask|negativ\\ test) = \\frac{antal\\ sande\\ negative}{antal\\ sande\\ negative + antal\\ falske\\ negative}\n",
    "$$"
   ]
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   "id": "76bb0b41-f3a1-4065-9962-c5690caed0b8",
   "metadata": {},
   "outputs": [],
   "source": []
  }
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