Table 1.
Blood flow velocity of the popliteal artery (mm/s) presented as median (first and third quartile) and within and between-group differences presented as mean (95% Confidence Interval for Difference) before, during, and after the application of shortwave and microwave diathermy on lower limb and effect size (n = 20).
| Time |
Within group differences |
||||||
|---|---|---|---|---|---|---|---|
| P0 | P20 | P40 | P20–P0 | P40–P0 | P40–P20 | ||
| 0° | SHAM | 60.5 (56; 69.2) | 54 (50; 60)*† | 55 (47; 61)*† | − 6.33 (−9.65 to −3.00) | −6.28 (−9.78 to −2.78) | 0.05 (−2.92 to 3.02) |
| SWD | 55 (47; 61) | 80.5 (70.7; 87) * | 65 (58.7; 72.7)*‡ | 23.02 (19.69 to 26.34) | 10.83 (7.33 to 14.33) | −12.18 (−15.15 to −9.20) | |
| 90° | SHAM | 60 (64; 66.2) | 58 (46; 66.2)¥ | 51.5 (46; 62)*¥ | −3.90 (−7.22 to −0.57) | −8.25 (−11.75 to −4.74) | −4.35 (−7.32 to −1.37) |
| SWD | 54.5 (46; 62) | 74.5 (61; 82)*† | 60.5 (53.5; 70)*‡ | 20.75 (17.42 to 24.07) | 9.03 (5.53 to 12.53) | −11.72 (−14.69 to −8.74) | |
| 0° | SHAM | 59 (52; 66) | 55 (49.7; 60.2)* | 54 (47; 61)* | −4.00 (−7.32 to −0.67) | −5.22 (−8.71 to −1.71) | −1.22 (−4.19 to 1.75) |
| MWD | 54 (47; 61) | 54 (47.7; 57.5)†¥ | 52 (46; 58.2)*†¥ | −1.85 (−5.17 to 1.47) | −2.30 (−5.80 to 1.20) | −0.45 (−3.42 to 2.52) | |
| Between-group differences |
Effect size | ||||
|---|---|---|---|---|---|
| P20 | P20 | P40 | P20–P0 | ||
| SWD 0°–SWD 90° | SWD 0°–SHAM | ||||
| 0° | SHAM | 5.73 (−0.11 to 11.58) |
23.06 (17.21 to 28.91) |
10.83 (5.32 to 16.34) |
−0.70 (−1.34 to −0.06) |
| SWD | 1.97 (1.18 to 2.68) | ||||
| SWD 90°–MWD 0° | SWD 90°–SHAM | ||||
| 90° | SHAM | 20.81 (14.96 to 26.66) |
16.40 (10.55 to 22.25) |
9.03 (3.52 to 14.54) |
−0.31 (−0.93 to 0.32) |
| SWD | 1.76 (1.00 to 2.45) | ||||
| SWD 0°–MWD 0° | MWD 0°–SHAM | ||||
| 0° | SHAM | 26.55 (20.70 to 32.40) |
−3.06 (−8.91 to 2.78) |
−2.30 (−7.81 to 3.21) |
−0.41 (−1.03 to 0.23) |
| MWD | −0.24 (−0.85 to 0.39) | ||||
SHAM, Group equipment turned off; SWD, Shortwave diathermy; MWD, Microwave diathermy; P0, Pre-application; P10, 10 min of application; P20, immediately after application; P40, 20 min after the end of application; 0°, 0° knee flexion; 90°, 90° of knee flexion.
p ≤ 0.05 in relation to time in the same group: * vs. P0; ‡vs. P20. p ≤ 0.05 in relation to group at the same time: † vs. SWD 0°; ¥ vs. SWD 90°.