HTML Preview Pediatric Peak Flow Chart page number 1.
Adapted by Clement Clarke for use with peak flow meters from Nunn & Gregg
BR Med j 1989:289; 1068-70
Peak Expiratory Flow Rate
Normal Values
In men, readings up to 100 L/min lower than predicted are
within normal limits. For women, the equivalent figure is 85 L/min.
Values are derived from Caucasian populations.
Men
Height
Age-Years
15
20
25
30
35
40
45
50
55
60
65
70
75
80
85
PEF L/min EU Scale
485
540
575
594
601
599
590
575
557
536
513
490
466
442
418
```
1.6m - 5 3
PEF L/min EU Scale
498
555
591
611
618
615
606
591
572
550
527
503
478
453
429
```
1.67m - 5 6
PEF L/min EU Scale
511
571
608
628
636
633
623
608
588
566
542
517
491
465
440
```
1.75m - 5 9
PEF L/min EU Scale
524
586
624
645
653
650
640
624
603
581
556
530
503
477
451
`
1.83m - 6
PEF L/min EU Scale
535
598
637
659
666
664
653
637
616
593
567
541
514
487
460
```
1.90m - 6 3
Women
1.75m - 5 9
1.52m - 5
PEF L/min EU Scale
394
419
433
437
436
431
422
411
399
385
371
356
342
327
313
```
1.60m - 5 3
PEF L/min EU Scale
385
409
422
427
425
420
412
401
389
376
362
348
334
320
306
PEF L/min EU Scale
402
428
441
446
445
439
431
419
407
393
378
363
348
334
319
1.67m - 5 6
PEF L/min EU Scale
411
437
451
456
454
449
440
428
415
401
386
371
355
340
325
PEF L/min EU Scale
418
445
459
465
463
457
448
436
423
408
393
378
362
346
331
Height
Age-Years
15
20
25
30
35
40
45
50
55
60
65
70
75
80
85
`
`
```
```
1.83m - 6