Research Article
Establishment of Reference Norms for Lung Function Parameters of Healthy Sri Lankan Tamils
Table 3
Mean ± SD of lung function parameters of females in each age group.
| Age group | VC (L) | FVC (L) | FEV1 (L) | FEV1% | FEF25–75 (L/S) | MEF75 (L/S) | MEF50 (L/S) | MEF25 (L/S) | PEFR (L/min) |
| 14 | 2.54 ± 0.37 | 2.66 ± 0.31 | 2.39 ± 0.28 | 90.00 ± 4.22 | 3.00 ± 0.62 | 4.90 ± 0.74 | 3.47 ± 0.68 | 1.73 ± 0.51 | 310.67 ± 37.38 | 15 | 2.53 ± 0.40 | 2.63 ± 0.43 | 2.40 ± 0.35 | 91.60 ± 4.77 | 3.16 ± 0.63 | 4.94 ± 0.86 | 3.55 ± 0.74 | 1.80 ± 0.43 | 316.33 ± 46.66 | 16 | 2.49 ± 0.38 | 2.59 ± 0.43 | 2.38 ± 0.40 | 91.87 ± 4.29 | 3.17 ± 0.67 | 4.98 ± 0.75 | 3.57 ± 0.71 | 1.82 ± 0.51 | 311.14 ± 41.27 | 17 | 2.56 ± 0.30 | 2.65 ± 0.31 | 2.42 ± 0.30 | 91.35 ± 5.31 | 3.19 ± 0.75 | 5.09 ± 1.06 | 3.59 ± 0.79 | 1.83 ± 0.53 | 316.33 ± 47.06 | 18 | 2.67 ± 0.48 | 2.75 ± 0.50 | 2.48 ± 0.44 | 90.43 ± 5.64 | 3.22 ± 0.77 | 5.18 ± 1.04 | 3.57 ± 0.93 | 1.78 ± 0.54 | 331.3 ± 62.7 | 19 | 2.54 ± 0.31 | 2.67 ± 0.33 | 2.42 ± 0.32 | 90.8 ± 4.29 | 3.16 ± 0.79 | 5.11 ± 1.10 | 3.60 ± 0.89 | 1.74 ± 0.57 | 309.59 ± 42.47 | 20 | 2.67 ± 0.49 | 2.82 ± 0.49 | 2.54 ± 0.41 | 90.19 ± 5.36 | 3.23 ± 0.71 | 5.16 ± 1.21 | 3.65 ± 0.80 | 1.82 ± 0.49 | 324.91 ± 58.01 | 21–25 | 2.52 ± 0.52 | 2.69 ± 0.52 | 2.43 ± 0.41 | 90.65 ± 4.42 | 3.19 ± 0.68 | 5.32 ± 0.92 | 3.61 ± 0.75 | 1.83 ± 0.68 | 333.72 ± 42.09 | 26–30 | 2.45 ± 0.42 | 2.58 ± 0.41 | 2.25 ± 0.34 | 87.94 ± 4.83 | 2.74 ± 0.66 | 4.83 ± 1.05 | 3.20 ± 0.83 | 1.39 ± 0.36 | 322.69 ± 50.41 | 31–35 | 2.48 ± 0.37 | 2.60 ± 0.36 | 2.27 ± 0.29 | 87.33 ± 3.95 | 2.74 ± 0.51 | 5.10 ± 0.90 | 3.22 ± 0.65 | 1.34 ± 0.30 | 334.08 ± 53.26 | 36–40 | 2.39 ± 0.40 | 2.46 ± 0.40 | 2.13 ± 0.35 | 86.89 ± 4.92 | 2.63 ± 0.65 | 4.83 ± 1.04 | 3.13 ± 0.81 | 1.30 ± 0.38 | 317.76 ± 44.21 | 41–45 | 2.38 ± 0.30 | 2.45 ± 0.34 | 2.15 ± 0.30 | 87.66 ± 4.59 | 2.78 ± 0.63 | 5.31 ± 1.11 | 3.34 ± 0.78 | 1.36 ± 0.48 | 332.25 ± 55.35 | 46–50 | 2.18 ± 0.45 | 2.23 ± 0.45 | 1.93 ± 0.35 | 86.92 ± 4.20 | 2.42 ± 0.62 | 4.83 ± 1.37 | 2.95 ± 0.88 | 1.11 ± 0.26 | 311.75 ± 53.44 | 51–55 | 2.06 ± 0.43 | 2.13 ± 0.43 | 1.86 ± 0.36 | 87.54 ± 3.94 | 2.44 ± 0.67 | 4.50 ± 1.03 | 2.96 ± 0.77 | 1.14 ± 0.39 | 298.38 ± 51.93 | 56–60 | 1.87 ± 0.42 | 1.95 ± 0.45 | 1.69 ± 0.39 | 86.6 ± 3.79 | 2.13 ± 0.66 | 4.31 ± 1.31 | 2.65 ± 0.86 | 1.97 ± 0.30 | 272.5 ± 28.26 | >60 | 1.70 ± 0.32 | 1.77 ± 0.33 | 1.51 ± 0.27 | 85.39 ± 5.09 | 1.93 ± 0.57 | 3.71 ± 0.92 | 2.39 ± 0.70 | 0.90 ± 0.30 | 263.00 ± 42.43 |
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