Table 2.
Baseline Demographic and Clinical Characteristics of Cohort (N=325)
| Variable | Frequency | Percent |
|---|---|---|
| Study Arm | ||
| Physical Therapy | 172 | 52.9 |
| APM surgery | 153 | 47.1 |
| Demographics | ||
| Age (years) | ||
| 45–54 | 120 | 36.9 |
| 55–64 | 146 | 44.9 |
| 65–74 | 54 | 16.6 |
| ≥75 | 5 | 1.5 |
| Female | ||
| No | 139 | 42.8 |
| Yes | 186 | 57.2 |
| White Race | ||
| No | 45 | 13.8 |
| Yes | 280 | 86.1 |
| Education Level | ||
| High School Graduate or Less | 51 | 16.0 |
| Some College | 51 | 16.0 |
| Graduated from Technical/Professional School | 36 | 11.3 |
| College Graduate | 181 | 56.7 |
| Annual Income | ||
| ≤$29,000 | 32 | 9.8 |
| $30,000–$99,999 | 152 | 46.8 |
| ≥$100,000 | 114 | 35.1 |
| Missing | 27 | 8.3 |
| Living Situation | ||
| Alone | 51 | 15.9 |
| With Spouse or Partner | 238 | 74.1 |
| With other Family Members or Friends | 32 | 10.0 |
| BMI (kg/m2) | ||
| Missing | 17 | 5.2 |
| ≤25.0 | 62 | 19.1 |
| 25.1–30.0 | 109 | 33.5 |
| ≥30.1 | 137 | 42.1 |
| KL Score | ||
| 0 | 68 | 24.4 |
| 1 | 53 | 19.0 |
| 2 | 84 | 30.1 |
| 3 | 74 | 26.5 |
| Knee Symptoms | ||
| Catching | ||
| No | 156 | 49.2 |
| Yes | 161 | 50.8 |
| Clicking | ||
| No | 107 | 33.6 |
| Yes | 211 | 66.3 |
| Giving Away | ||
| No | 156 | 49.5 |
| Yes | 159 | 50.5 |
| Pain with pivoting/twisting | ||
| No | 23 | 7.2 |
| Yes | 298 | 92.8 |
| Popping | ||
| No | 166 | 52.4 |
| Yes | 151 | 47.6 |
| Episodic Swelling | ||
| No | 80 | 25.2 |
| Yes | 238 | 74.8 |
| Quality of Life | ||
| SF-36 Physical Activity Subscale | ||
| 0–39 | 14 | 4.3 |
| 40–59 | 136 | 42.0 |
| 60–79 | 117 | 36.1 |
| ≥80 | 57 | 17.6 |
| KOOS Activities of Daily Living Subscale | ||
| 0–39 | 39 | 12.1 |
| 40–59 | 96 | 29.7 |
| 60–79 | 131 | 40.6 |
| ≥80 | 57 | 17.6 |
APM = arthroscopic partial meniscectomy