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Table 1 IL-6 and CRP concentrations in ≥65 year-old seniors

From: Interleukin-6 and C-reactive protein, successful aging, and mortality: the PolSenior study

Age (years) Alla Successfully agingb Othersc
  n Concentrationd n Concentrationd n Concentrationd
  IL-6 [pg/mL]
65–69 588 1.8 [1.2, 2.9] 296 1.8 [1.1, 3.0] 292 1.9 [1.3, 2.9]
70–74 681 1.9 [1.3, 3.1] 308 1.7 [1.1, 2.8] 373 2.2 [1.4, 3.3]
75–79 596 2.1 [1.4, 3.4] 231 1.9 [1.3, 2.8] 365 2.4 [1.6, 3.6]
80–84 557 2.5 [1.7, 3.7] 163 2.4 [1.5, 3.5] 394 2.5 [1.7, 3.8]
85–89 598 2.8 [1.8, 4.9] 173 2.7 [1.8, 4.3] 425 2.8 [1.8, 5.1]
90+ 476 3.5 [2.1, 5.5] 87 3.3 [2.3, 5.1] 389 3.5 [2.1, 5.6]
  CRP [mg/L]
65–69 614 2.2 [1.1, 4.6] 311 2.0 [1.0, 4.1] 303 2.6 [1.2, 5.5]
70–74 706 2.1 [1.1, 4.1] 321 1.9 [1.0, 3.9] 385 2.2 [1.1, 4.4]
75–79 627 2.2 [1.1, 4.4] 245 1.9 [1.0, 3.8] 382 2.6 [1.2, 4.8]
80–84 572 2.4 [1.1, 5.2] 169 2.4 [1.0, 5.3] 403 2.3 [1.1, 5.2]
85–89 621 2.5 [1.1, 5.1] 177 2.8 [1.2, 4.6] 444 2.4 [1.1, 5.2]
90+ 492 2.7 [1.1, 5.5] 89 2.6 [1.3, 5.3] 403 2.7 [1.1, 5.7]
  1. a: Excluded are individuals with leukocytosis exceeding 10,000/μL or treated with glucocorticoids
  2. b: Only individuals without past or current cancer, type 2 diabetes, cardiovascular disease/myocardial infarction/stroke, and with the MMSE score ≥24 and the ADL score 5–6
  3. c: Individuals who did not meet the definition of successful aging
  4. d: Concentrations of IL–6 and CRP are shown as median [1st quartile, 3rd quartile]
  5. n number of individuals