Table 1.
Descriptive Statistics for 37 Pain Quality Items for Pooled PROMIS General Population Sample and ACPA Sample (N=1,434)
| Item | Frequency | Mean (SD) | Median | Range | Floor (%) | Ceiling (%) |
|---|---|---|---|---|---|---|
| How intense was your cool pain? | 1434 | 1.2 (0.70) | 1.0 | 1.0–5.0 | 1268 (88.4%) | 9 (0.6%) |
| How intense was your tugging pain? | 1434 | 1.4 (0.87) | 1.0 | 1.0–5.0 | 1177 (82.1%) | 14 (1.0%) |
| How intense was your itchy pain? | 1434 | 1.4 (0.82) | 1.0 | 1.0–5.0 | 1120 (78.1%) | 11 (0.8%) |
| How often did you experience freezing pain? | 1434 | 1.4 (0.88) | 1.0 | 1.0–5.0 | 1099 (76.6%) | 11 (0.8%) |
| How intense was your squeezing pain? | 1434 | 1.5 (1.04) | 1.0 | 1.0–5.0 | 1081 (75.4%) | 24 (1.7%) |
| How intense was your pulling pain? | 1434 | 1.5 (1.00) | 1.0 | 1.0–5.0 | 1079 (75.2%) | 24 (1.7%) |
| How intense was your splitting pain? | 1434 | 1.6 (1.16) | 1.0 | 1.0–5.0 | 1067 (74.4%) | 51 (3.6%) |
| How intense was your pricking pain? | 1434 | 1.7 (1.14) | 1.0 | 1.0–5.0 | 992 (69.2%) | 42 (2.9%) |
| How intense was your hot pain? | 1434 | 1.8 (1.27) | 1.0 | 1.0–5.0 | 955 (66.6%) | 80 (5.6%) |
| How intense was your pounding pain? | 1434 | 1.8 (1.21) | 1.0 | 1.0–5.0 | 940 (65.6%) | 54 (3.8%) |
| How intense was your pressing pain? | 1434 | 1.8 (1.22) | 1.0 | 1.0–5.0 | 935 (65.2%) | 55 (3.8%) |
| How intense was your stinging pain? | 1434 | 1.8 (1.25) | 1.0 | 1.0–5.0 | 931 (64.9%) | 67 (4.7%) |
| How intense was your pulsing pain? | 1434 | 1.8 (1.17) | 1.0 | 1.0–5.0 | 913 (63.7%) | 41 (2.9%) |
| How intense was your heavy pain? | 1434 | 2.0 (1.44) | 1.0 | 1.0–5.0 | 875 (61.0%) | 129 (9.0%) |
| How often did you experience tearing (ripping) pain? | 1434 | 1.8 (1.11) | 1.0 | 1.0–5.0 | 874 (60.9%) | 24 (1.7%) |
| How intense was your numb pain? | 1434 | 1.9 (1.20) | 1.0 | 1.0–5.0 | 855 (59.6%) | 56 (3.9%) |
| How intense was your cramping pain? | 1434 | 1.9 (1.24) | 1.0 | 1.0–5.0 | 823 (57.4%) | 59 (4.1%) |
| How intense was your piercing pain? | 1434 | 2.1 (1.43) | 1.0 | 1.0–5.0 | 792 (55.2%) | 119 (8.3%) |
| How often did you experience cruel pain? | 1434 | 2.1 (1.36) | 1.0 | 1.0–5.0 | 768 (53.6%) | 69 (4.8%) |
| How intense was your tingling pain? | 1434 | 2.0 (1.24) | 1.0 | 1.0–5.0 | 760 (53.0%) | 64 (4.5%) |
| How often did you experience torturing pain? | 1434 | 2.1 (1.30) | 1.0 | 1.0–5.0 | 757 (52.8%) | 51 (3.6%) |
| How often did you experience vicious pain? | 1434 | 2.1 (1.30) | 1.0 | 1.0–5.0 | 749 (52.2%) | 47 (3.3%) |
| How intense was your stabbing pain? | 1434 | 2.3 (1.44) | 2.0 | 1.0–5.0 | 714 (49.8%) | 121 (8.4%) |
| How intense was your radiating pain? | 1434 | 2.3 (1.42) | 2.0 | 1.0–5.0 | 709 (49.4%) | 118 (8.2%) |
| How often did you experience sickening pain? | 1434 | 2.0 (1.17) | 2.0 | 1.0–5.0 | 708 (49.4%) | 26 (1.8%) |
| How intense was your tender pain? | 1434 | 2.2 (1.35) | 2.0 | 1.0–5.0 | 687 (47.9%) | 109 (7.6%) |
| How intense was your throbbing pain? | 1434 | 2.2 (1.37) | 2.0 | 1.0–5.0 | 683 (47.6%) | 101 (7.0%) |
| How often did you experience unbearable pain? | 1434 | 2.2 (1.31) | 2.0 | 1.0–5.0 | 672 (46.9%) | 46 (3.2%) |
| How intense was your shooting pain? | 1434 | 2.3 (1.42) | 2.0 | 1.0–5.0 | 665 (46.4%) | 124 (8.6%) |
| How often did you experience burning pain? | 1434 | 2.4 (1.46) | 2.0 | 1.0–5.0 | 656 (45.7%) | 150 (10.5%) |
| How often did your pain feel intolerable? | 1434 | 2.4 (1.34) | 2.0 | 1.0–5.0 | 595 (41.5%) | 64 (4.5%) |
| How intense was your sharp pain? | 1434 | 2.5 (1.48) | 2.0 | 1.0–5.0 | 569 (39.7%) | 177 (12.3%) |
| How intense was your dull pain? | 1434 | 2.3 (1.22) | 2.0 | 1.0–5.0 | 505 (35.2%) | 68 (4.7%) |
| How intense was your sore pain? | 1434 | 2.5 (1.34) | 2.0 | 1.0–5.0 | 468 (32.6%) | 121 (8.4%) |
| How often did you experience nagging pain? | 1434 | 3.0 (1.54) | 3.0 | 1.0–5.0 | 406 (28.3%) | 314 (21.9%) |
| How intense was your annoying pain? | 1434 | 2.7 (1.36) | 3.0 | 1.0–5.0 | 370 (25.8%) | 172 (12.0%) |
| How intense was your aching pain? | 1434 | 2.8 (1.36) | 3.0 | 1.0–5.0 | 343 (23.9%) | 181 (12.6%) |