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Table 2 Normative data for the 5th, 15th, 25th, 50th (median), 75th, 85th and 95th percentile of the 6MWT in the study participants (N = 4352)

From: Normative data for the 6-min walk test in 11–14 year-olds: a population-based study

Measure Sex Age N P5 P15 P25 P50 P75 P85 P95
6MWT (m) Boys 11 404 385 464 490 560 605 630 665
12 387 388 465 503 570 630 660 700
13 385 420 490 527 595 653 675 723
14 295 452 525 565 630 680 708 750
Girls 11 675 349 420 455 512 570 576 630
12 767 391 450 495 540 600 630 690
13 732 420 462 500 560 615 660 710
14 707 435 490 513 570 625 685 743
Speed (m/min) Boys 11 404 64 78 82 94 101 105 111
12 387 65 78 84 95 105 110 117
13 385 70 82 88 99 109 113 121
14 295 76 88 94 105 114 118 125
Girls 11 675 58 70 76 86 95 96 105
12 767 65 75 83 90 100 105 115
13 732 70 77 84 94 103 110 119
14 707 73 82 86 95 104 114 124