IJCS | Volume 32, Nº4, July/August 2019

348 Table 3 - Total blood count, doppler color flow mapping with two-dimensional echocardiogram, spirometry and cardiopulmonary exercise testing variables Variables Male (n = 3,320) Female (n = 3,248) Mean ±SD Minimum Maximum Mean ±SD Minimum Maximum Hemoglobin (g/dl) 13.8 0.98 12.00 16.90 13.60 0.96 12.00 16.90 Hematocrit (%) 42.7 3.31 37.00 53.10 42.27 3.40 37.10 51.80 Ejection fraction (%) 67.5 6.35 55.00 83.00 66.90 5.90 55.00 85.00 FVC (L) 4.33 1.01 1.76 8.00 3.17 0.85 1.65 6.42 VEF1 (L) 3.69 0.76 1.66 5.81 2.71 0.64 1.36 4.58 VEF1/FVC (%) 86.5 6.64 80.11 104.53 86.68 6.74 81.09 95.85 Speed (km/h) 8.43 1.72 3.60 17.20 7.11 1.83 2.5 16.90 Slope (%) 11.3 3.15 1.00 18.50 9.07 2.61 0.5 16.50 Stress duration (s) 572.3 124.6 313 1,139 530.63 111.2 312 1169 Max HR (bpm) 177.6 14.4 131 210 175.12 14.95 125 210 Max SBP (mmHg) 187.9 23.9 121 259 181.26 21.16 131 256 Max DBP (mmHg) 87.6 12.0 61 132 84.82 10.08 64 126 R 1.23 0.07 1.10 1.71 1.21 0.06 1.10 1.60 Max VE (L/min) 77.6 18.5 33.10 160.30 58.12 18.80 27.80 147.7 VO 2peak (mL.kg -1 .min -1 ) 33.7 9.0 10.86 71.52 24.42 6.67 10.13 62.69 FVC: forced vital capacity; FEV1: forced expiratory volume in one second; Max HR: maximum heart rate; max SBP: maximum systolic blood pressure; max DBP: maximum diastolic blood pressure; R: respiratory quotient; Max VE: maximum ventilation; SD: standard deviation. Table 4 - Distribution of peak oxygen consumption (mean and percentage variation) in 6,568 individuals by age and sex Age range (years) Men Women n VO 2peak (Mean ± SD) Variation (%) n VO 2peak (Média ± DP) Variation (%) 07 - 12 32 36.92 ± 7.4 - 25 28.86 ± 5.8 - 13 - 19 151 42.90 ± 9.1 16.2 107 30.00 ± 7.1 4.0 20 - 29 543 37.54 ± 8.3 -12.5 471 28.24 ± 6.5 -5.9 30 - 39 969 35.78 ± 9.0 -4.7 874 26.70 ± 6.4 -5.5 40 - 49 853 33.03 ± 7.7 -7.7 759 24.00 ± 6.0 -10.1 50 - 59 440 30.10 ± 7.1 -8.9 551 21.84 ± 5.1 -9.0 60 - 69 229 26.10 ± 6.4 -13.3 322 19.30 ± 3.9 -11.6 70 - 79 77 22.06 ± 4.7 -15.5 123 17.41 ± 3.7 -9.8 > 80 years 26 19.20 ± 3.4 -13.0 16 16.56 ± 2.9 -4.9 VO 2peak : peak oxygen consumption; SD: standard deviation. Almeida et al. Cardiorespiratory fitness classification Int J Cardiovasc Sci. 2019;32(4):343-354 Original Article