Table 3.
Demographics across cluster membership
| Variable | Cluster 1 BU ischemic responders (n=12) |
Cluster 2 Average responders (n=69) |
Cluster 3 BU TS responders (n=33) |
Cluster 4 Morphine ischemic responders (n=7) |
F or χ2 value | P value |
|---|---|---|---|---|---|---|
| Age | 25.3 (SD=8.7) | 22.8 (SD=4.1) | 22.8 (SD=3.1) | 22.0 (3.3) | F(3,117)=1.187 | .318 |
| Sex (% female) |
25.0% (n=3) | 50.7% (n=35) | 42.4% (n=14) | 57.1% (n=4) | χ2=3.264 (df=3) | .353 |
| Race | χ2=1.273 (df=3) | .735 | ||||
| Non-white | 33.3% (n=4) | 23.2% (n=16) | 18.2% (n=6) | 28.6% (n=2) | ||
| White | 66.7% (n=8) | 76.8% (n=53) | 81.8% (n=27) | 71.4% (n=5) |
BU: butorphanol; TS: temporal summation