| PLSD | protected least significant difference |
|---|---|
| PPID | peak pain intensity difference [score] |
| RD | radial deviation; radiology department; rate difference; Raynaud disease; reaction of degeneration; ... |
| SPID | summed pain intensity difference |
| TDI | temperature difference integration; three-dimensional interlocking [hip]; toluene 2,4-diisocyanate; ... |