Table 3. Outpatient therapy.
| Study | Level of evidence | Intervention cohort | Control cohort | Duration of follow-up | Outcomes, mean | ROM (degrees), mean |
|---|---|---|---|---|---|---|
| Moffet et al. | I | In-home TELE for 16 sessions (n=101) | In-home STD for 16 sessions (n=104) | 4 mos | WOMAC: TELE: 84.5 vs. STD: 82.6 | N/A |
| Chughtai et al. | III | VERA telerehabilitation system (n=18) | N/A | 3.5 visits (mean) | % Change WOMAC: 66% | N/A |
| % Change KSS pain: 368% | ||||||
| % Change KSS function: 335% | ||||||
| Bini & Majahan | I | Asynchronous video-based TELE (n=14) | OPT (n=15) | 24 wks | KOOS¶: TELE: −17.591 vs. OPT: −17.251; P=0.954 | Full ROM¤: TELE: 1–120 vs. OPT: 0–120 |
| VAS¶: TELE: −3.429 vs. OPT: −4.0; P=0.61 | ||||||
| VR-12 PCS¶: TELE: 15.115 vs. OPT: 15.493; P=0.922 | ||||||
| VR-12 MCS¶: TELE: 6.326 vs. OPT: 1.077; P=0.187 | ||||||
| Klement et al. | I | Web-based SDPT (n=195) | Web-based SDPT and OPT (n=101) | 6 mos | KOOS Jr: SDPT: 73.9 vs. SDPT and OPT: 68.0; P=0.026 | N/A |
| Ko et al. | I | 2 Sessions of one-to-one PT and 2 of home-based PT for 6 wks (n=85) | 4 Sessions of monitored home-based PT for 6 wks (n=80) | 10 wks | OKS: one-to-one: 32 vs. group-based: 36 vs. home-based: 34; P=0.20 | Extension: one-to-one: 4 vs. group-based: 4 vs. home-based: 5; P=0.91 |
| 2 Sessions of group-based PT and 2 of home-based PT for 6 wks (n=84) | 6MW: one-to-one: 397.5 m vs. group-based: 405 m vs. home-based: 425 m; P=0.37 | Flexion: one-to-one: 115 vs. group-based: 110 vs. home-based: 116; P=0.45 | ||||
| WOMAC function: one-to-one: 16 vs. group-based: 13 vs. home-based: 14; P=0.15 | Quad Lag: one-to-one: 1 vs. group-based: 2 vs. home-based: 1; P=0.57 | |||||
| WOMAC pain: one-to-one: 3.8 vs. group-based: 1.6 vs. home-based: 2.5; P=0.79 |
¶, mean difference; ¤, range. ROM, range of motion; WOMAC, Western Ontario and McMaster Universities Arthritis Index; 6MW, 6-minute walk test; VAS, Visual Analog Scale; Quad, quadriceps; OPT, outpatient physical therapy; TELE, telerehabilitation; STD, face-to-face; VERA, Virtual Exercise Rehabilitation Assistant; KSS, Knee Society Score; SDPT, self-directed physical therapy; KOOS, Knee Injury and Osteoarthritis Outcome Score; VR-12, Veterans-RAND 12 Health Survey; PCS, Physical Component Score; MCS, Mental Component Score; OKS, Oxford Knee Score; SD, standard deviation.