Table 4.

Search rate by age and age-specific queries.

Age (years)	Mean (SD)	High Frequency	Low Frequency
10-20	2.9 (1.5)	dyspnea, stomachache, subjective symptoms, plasma cell	None
20-30	24.3 (8.6)	plasma cell, inflammatory findings, hypoxemia, cell invasion, dyspnea on exertion	None
30-40	26.0 (4.9)	diabetes mellitus, jaundice	high blood pressure
40-50	24.6 (5.2)	abnormal shadow	plasma cell, inflammatory findings, hyponatremia, cell invasion, hypercalcemia
50-60	13.9 (4.1)	rheumatoid arthritis, high blood pressure, abnormal shadow	inflammatory findings
60-70	7.3 (3.4)	interstitial pneumonia, lung cancer, stomach cancer, high blood pressure, atrial fibrillation, Streptococcus pneumoniae infection	None