| Region | Subjects n | Age yrs | Males/females n | Height cm | Weight kg | HRmax/ HRmax % pred | 6MWD m | |
| % | P10 | |||||||
| Tenerife, Spain | 40 | 57 (42–77) | 20/20 | 163±10 | 74±14 | 81±8 | 71 | 613±75 |
| Zaragoza, Spain | 66 | 55 (41–77) | 34/32 | 165±8 | 71±10 | 63±9 | 53 | 510±81 |
| Pamplona, Spain | 27 | 52 (40–77) | 11/16 | 163±8 | 69±12 | 77±10 | 67 | 624±73 |
| Montevideo, Uruguay | 40 | 59 (41–76) | 20/20 | 165±10 | 73±14 | 75±14 | 60 | 590±80 |
| Bogota, Colombia | 39 | 59 (42–77) | 19/20 | 159±9¶ | 66±10§ | 88±10## | 74 | 632±63 |
| Caracas, Venezuela | 26 | 56 (42–71) | 12/14 | 162±8 | 72±13 | 59±12¶¶ | 44 | 510±39++ |
| Santiago de Chile, Chile | 40 | 60 (41–78) | 20/20 | 164±9 | 70±10 | 76±12 | 60 | 550±77 |
| São Paulo, Brazil | 47 | 60 (40–80) | 25/22 | 165±10 | 68±12 | 80±12 | 64 | 638±95§§ |
| Tampa, FL, USA | 57 | 57 (41–74) | 46/11# | 173±11+ | 87±17ƒ | 64±9 | 53 | 535±77 |
| Boston, MA, USA | 62 | 61 (47–75) | 31/31 | 166±10 | 76±16 | 68±9 | 57 | 557±87 |
| p-value | 0.111 | 0.014 | <0.001 | <0.001 | <0.001 | <0.001 | ||
Data are presented as median (5th–95th percentile) or mean±sd, unless otherwise stated. HRmax: maximal heart rate; % pred; % predicted; P10: 10th percentile. #: only Florida had a different distribution by sex; ¶: Bogota with Boston and Zaragoza; +: Florida with Montevideo and Boston (p = 0.001) and other centres (p<0.001); §: Bogota with Boston (p = 0.009); ƒ: Florida with Boston (p = 0.001) and other centres (p<0.001); ##: Bogota with Tenerife (p = 0.058), São Paulo (p = 0.006), Pamplona (p = 0.001) and the rest of the centres (p<0.001); ¶¶: Caracas with all the centres (p<0.001) except Boston (p = 0.043) and no statistical differences with Zaragoza and Florida; ++: Caracas with Tenerife, Bogota and São Paulo (p<0.001), with Montevideo (p = 0.003) and no statistical difference with Zaragoza. Santiago de Chile, Florida and Boston; §§: São Paulo with Zaragoza, Caracas, Santiago de Chile, Florida and Boston (p<0.001; no significant differences with other centres).