PFT MIPs MEPs LLN


LLN Calculation

  • Male MIP LLN = 62 - (0.15 × age)
  • Male MEP LLN = 117 - (0.83 × age)
  • Female MIP LLN =62 - (0.50 × age)
  • Female MEP LLN = 95 - (0.57 × age)1

Alternative

  • MIP & MEP LLN is 2/3 of average value for given sex
Male avg (LLN)Female avg (LLN)
MIP-100 (67)-70 (-47)
MEP+170 (113)+110 (+73)

2

Footnotes

  1. Dr. Joseph Gnanaraj

  2. PFT interpretation guide PGY4?