📊 COMPARISON

Hemoglobin: By Age Group

How do metric values change across different age groups? Understand age-related variations.

16 g/dL
Median (50th percentile)
Difference
0.0%
At median
16 g/dL
Median (50th percentile)
⚠️ Content Quality Notice: This page has limited data (0/10 data points). Page is set to noindex until expanded.
  • Group A has no percentile data
  • Group B has no percentile data

💡 Key Insight

Hemoglobin values are very similar between undefined and undefined, with less than 2% difference.

Percentile Comparison

PercentileDifference
5th14 g/dL14 g/dL0.0%
25th15 g/dL15 g/dL0.0%
50th16 g/dL16 g/dL0.0%
75th17 g/dL17 g/dL0.0%
95th18 g/dL18 g/dL0.0%
Mean16 g/dL16 g/dL0.0%

Visual Comparison

5th
14
14
25th
15
15
50th
16
16
75th
17
17
95th
18
18

📊 Hemoglobin Across Age Groups

18-29
16 g/dL
Range: 14 - 18 g/dL
30-39
15 g/dL
Range: 13 - 17 g/dL
40-49
15 g/dL
Range: 13 - 17 g/dL
50-59
15 g/dL
Range: 13 - 17 g/dL
60-69
15 g/dL
Range: 13 - 17 g/dL
70-79
15 g/dL
Range: 13 - 17 g/dL
80+
14 g/dL
Range: 12 - 16 g/dL

🔬 Hemoglobin & Oxygen Transport

Hemoglobin is the iron-containing protein in red blood cells that carries oxygen. Its concentration is tightly regulated, with both low (anemia) and high (polycythemia) levels causing health problems. Reference ranges differ significantly by sex due to testosterone's effect on red blood cell production.

Key Research Findings

  • Iron deficiency is the most common cause of anemia worldwide
  • Altitude adaptation increases hemoglobin levels naturally
  • Dehydration can falsely elevate hemoglobin readings
  • Chronic diseases often cause "anemia of inflammation" with distinct mechanisms
📚 Research Note: WHO global estimates suggest anemia affects 1.6 billion people, making it a major public health concern.
Sources: WHO, NIH

❓ Frequently Asked Questions

Why is hemoglobin similar between undefined and undefined?

Hemoglobin differences between sexes are well-established, with testosterone stimulating red blood cell production. This is why sex-specific reference ranges are essential for accurate diagnosis.

Source: NIH

How should I interpret my hemoglobin compared to these benchmarks?

Find your appropriate demographic group and percentile range. Being in the 25th-75th percentile (middle 50%) is typical. Percentiles below 5th or above 95th may warrant discussion with a healthcare provider, though clinical context is essential—a single measurement rarely tells the whole story.

Source: Clinical Guidelines

How reliable is this comparison data?

This data comes from the CDC's National Health and Nutrition Examination Survey (NHANES), a continuously conducted survey that uses rigorous sampling methodology to represent the U.S. civilian non-institutionalized population. Sample sizes typically exceed 5,000 per demographic group, with weighted analysis accounting for the complex survey design.

Source: CDC NHANES

What This Comparison Means

Understanding differences in hemoglobin between different groups and populations is important for:

  • Accurate benchmarking – Compare yourself to the appropriate reference population
  • Clinical interpretation – Healthcare providers use demographic-specific ranges
  • Research understanding – Biological and lifestyle factors influence these differences
  • Personalized health goals – Set realistic targets based on your demographic
⚠️ Important: These are population averages. Individual variation within each group is significant. Always consult healthcare providers for personal health advice.

더 많은 비교 탐색

⚖️Hemoglobin: Men vs Women👥Hemoglobin: Young Adults vs Older Adults

이 지표 탐색

📊 대화형 백분위수 계산기가 있는 전체 Hemoglobin 벤치마크 보기→

📊Data Transparency & Sources