Table 5.
Categorical Variables by Joint Class Attendance – (Rows add to 100%).
| No | Yes | Estimate | p value | |
|---|---|---|---|---|
| Gender - Female | 322(42.8%) | 430(57.2%) | 1.109 | 0.292 |
| Gender – Male | 213(45.9%) | 251(54.1%) | ||
| Procedure-Hip | 183(45.1%) | 223(54.9%) | 0.287 | 0.592c |
| Procedure Knee | 352(43.5%) | 458(56.5%) | ||
| Current Smoker-False | 511(43.1%) | 674(56.9%) | 14.422 | <.001c |
| Current Smoker-True | 24(77.4%) | 7(22.6%) | ||
| Recent/Former Smoker-False | 491(43.4%) | 641(56.6%) | 2.574 | 0.109c |
| Recent/Former Smoker-True | 44(52.4%) | 40(47.6%) | ||
| A1c Not Diabetic | 335(43.3%) | 438(56.7%) | −0.048 | 0.407 g |
| A1c Diabetes w/reasonable control | 174(43.8%) | 223(56.2%) | ||
| A1c Diabetes not well controlled | 26(56.5%) | 20(43.5%) | ||
| BMI underweight | 2(66.7%) | 1(33.3%) | −0/129 | 0.161 g |
| BMI normal | 54(38.3%) | 87(61.7%) | ||
| BMI overweight | 124(39.9%) | 187(60.1%) | ||
| BMI obese | 355(46.6%) | 406(53.4%) | ||
f - Fisher's exact test; descriptive statistics are count (percent). The estimate is the odds ratio in the case of a 2 × 2 table.
c - Chi-square test; descriptive statistics are count (percent). The estimate is the chi-square statistic.
g - Goodman-Kruskal gamma test; descriptive statistics are count (percent). The estimate is gamma.