Research Article
Effectiveness of Different Pain Control Methods in Patients with Knee Osteoarthritis after Knee Arthroplasty
Table 5
GEE analysis of the highest pain rating variation in relation to group and time (
).
| | Parameters | Estimate value | Standard error | Wald chi-square | value |
| | Intercept | 3.266 | .6180 | 27.931 | <.001 | | Group | | | | | | G2 versus G1 | −.075 | .5783 | .017 | .897 | | Time | | | | | | T1 versus T0 | 5.058 | .3621 | 195.092 | <.001 | | T2 versus T0 | 3.558 | .3448 | 106.526 | <.001 | | T3 versus T0 | 2.350 | .3337 | 49.600 | <.001 | | T4 versus T0 | 1.442 | .3438 | 17.589 | <.001 | | Group × time | | | | | | G2 T1 versus T0 | −.918 | .6386 | 2.066 | .151 | | versus G1 T1 versus T0 | | G2 T2 versus T0 | −.400 | .6812 | .346 | .557 | | versus G1 T2 versus T0 | | G2 T3 versus T0 | −.648 | .6521 | .988 | .320 | | versus G1 T3 versus T0 | | G2 T4 versus T0 | −.319 | .6521 | .264 | .829 | | versus G1 T4 versus T0 | | Gender | | | | | | Female versus male | .444 | .1978 | 5.051 | .025 | | Anesthetic method | | | | | | General versus spinal | 1.124 | .3365 | 11.166 | .001 | | POABS | −.015 | .0122 | 1.503 | .220 |
|
|
Note: GEE = generalized estimating equations; ; ; ; G1: Group 1; G2: Group 2; T0: recovery room (day of surgery); T1: ward (day of surgery); T2: postoperative day 1; T3: postoperative day 2; T4: postoperative day 3; POABS = Pain and Opioids Analgesics Beliefs Scale.
|
