Table 2 Values of bone density from all the vertebral bodies of cervical, thoracic and lumbal spine of each age group in mg/cm3
Age | Location | N | Median | Mean | Std. deviation | Range |
10-19 | C | 17.00 | 265.16 | 267.47 | 45.28 | 195.84 |
T | 17.00 | 201.28 | 211.00 | 36.31 | 154.89 | |
L | 17.00 | 189.62 | 198.61 | 33.50 | 151.02 | |
20-29 | C | 25.00 | 235.50 | 244.66 | 37.32 | 146.34 |
T | 25.00 | 187.08 | 194.18 | 27.18 | 108.62 | |
L | 25.00 | 181.19 | 187.07 | 23.58 | 94.52 | |
30-39 | C | 36.00 | 248.35 | 255.72 | 50.83 | 223.14 |
T | 36.00 | 195.26 | 192.84 | 30.29 | 129.14 | |
L | 36.00 | 177.21 | 179.22 | 28.76 | 123.22 | |
40-49 | C | 25.00 | 241.10 | 254.97 | 48.10 | 187.36 |
T | 25.00 | 181.68 | 183.43 | 25.87 | 103.00 | |
L | 25.00 | 158.00 | 161.31 | 23.49 | 80.10 | |
50-59 | C | 39.00 | 213.68 | 216.86 | 53.32 | 297.61 |
T | 39.00 | 145.72 | 148.39 | 27.89 | 145.38 | |
L | 39.00 | 112.65 | 122.30 | 29.10 | 138.49 | |
60-69 | C | 28.00 | 193.17 | 203.15 | 43.60 | 166.17 |
T | 28.00 | 144.65 | 147.16 | 29.07 | 109.78 | |
L | 28.00 | 114.76 | 119.66 | 28.76 | 118.93 | |
70-79 | C | 18.00 | 181.28 | 182.37 | 41.85 | 174.52 |
T | 18.00 | 128.79 | 130.00 | 30.94 | 127.86 | |
L | 18.00 | 99.29 | 96.69 | 31.48 | 140.82 | |
80-89 | C | 12.00 | 174.13 | 171.75 | 37.75 | 129.21 |
T | 12.00 | 125.55 | 118.38 | 29.52 | 92.80 | |
L | 12.00 | 97.55 | 96.07 | 27.16 | 79.37 | |
Total | C | 200.00 | 228.67 | 228.67 | 54.62 | 331.99 |
T | 200.00 | 169.31 | 168.19 | 40.39 | 231.87 | |
L | 200.00 | 149.69 | 147.76 | 44.96 | 269.18 | |
Age group | N | Mean (mg/cm3) | Median (mg/cm3) | Standard deviation | Minimum | Maximum |
10-19 years | 17 | 225.69 | 221.68 | 37.37 | 171.90 | 337.50 |
20-29 years | 25 | 208.64 | 200.59 | 27.51 | 169.17 | 280.06 |
30-39 years | 36 | 209.26 | 206.09 | 34.68 | 131.48 | 281.82 |
40-49 years | 25 | 199.90 | 197.68 | 29.95 | 154.84 | 261.39 |
50-59 years | 39 | 162.51 | 156.71 | 34.88 | 116.56 | 305.27 |
60-69 years | 28 | 156.66 | 151.13 | 31.78 | 111.17 | 220.64 |
70-79 years | 18 | 136.35 | 138.85 | 33.32 | 69.89 | 217.62 |
80-89 years | 12 | 128.73 | 138.68 | 30.07 | 86.59 | 186.77 |
Total | 200 | 181.54 | 181.60 | 44.59 | 69.89 | 337.50 |