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Table 1 Demographics

From: Cerebrospinal fluid biomarkers for Alzheimer disease and subcortical axonal damage in 5,542 clinical samples

Age group Sex Aβ42 T-tau P-tau NFL
  F M     
All Valid N 50.8% 49.2% 5,542 5,542 5,542 5,542
Mean (SD)    602 (286) 504 (953) 60 (33) 3,007 (6,935)
Median (range)    544 (1,725) 360 (32,125) 52 (283) 1,530 (226,920)
31-40 Valid N 51.3% 48.7% 78 78 78 78
Mean (SD)    733 (309) 262 (229) 38 (20) 1,974 (6,056)
Median (range)    704 (1,420) 194 (1,325) 35 (122) 460 (45,790)
41-50 Valid N 52,.% 47.7% 237 237 237 237
Mean (SD)    739 (304) 302 (494) 39 (18) 1,856 (5,790)
Median (range)    707 (1,725) 210 (6,025) 35 (122) 520 (66,220)
51-60 Valid n 52.2% 47.8% 688 688 688 688
Mean (SD)    723 (297) 458 (1,354) 49 (30) 2,788 (8,719)
Median (range)    700 (1,612) 258 (27,525) 42 (206) 870 (100,810)
61-70 Valid n 48.9% 51.1% 1,539 1,539 1,539 1,539
Mean (SD)    626 (289) 464 (947) 55 (30) 2,931 (6,609)
Median (range)    580 (1,455) 317 (30,425) 48 (283) 1,280 (89,820)
71-80 Valid n 49.6% 50.4% 2,069 2,069 2,069 2,069
Mean (SD)    559 (271) 546 (1,027) 64 (32) 3,026 (7,203)
Median (range)    500 (1,715) 409 (32,125) 57 (240) 1,710 (226,770)
81-90 Valid n 55.1% 44.9% 905 905 905 905
Mean (SD)    523 (247) 581 (349) 72 (34) 3,573 (5,422)
Median (range)    465 (1,535) 479 (3,493) 65 (235) 2,200 (93,130)
91+ Valid n 53.8% 46.2% 26 26 26 26
Mean (SD)    487 (161) 778 (549) 90 (53) 5,605 (8,049)
Median (range)    496 (785) 590 (2,413) 76 (250) 2,845 (42,000)