27 December 2021 : Clinical Research
A Retrospective Single-Center Study of 23 Patients to Compare Gait Before and After Total Hip Arthroplasty Using the S-ROM Modular Hip System
Jacqueline Bahr1BCDEF, Dietmar Rosental2C, Tim Classen3E, Sonja Krebs1E, Marcus Jäger4AG*DOI: 10.12659/MSM.934558
Med Sci Monit 2021; 27:e934558
Table 2 Kinematics of the pelvis and the hip joint.
PreOP (n=23) | PostOP (n=23) | Control (n=39) | Opposite side preOP (n=23) | Opposite side postOP (n=23) | p1 | p2 | p3 | p4 | p5 | p6 | p7 | p8 | |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Maximum anteversion | 21.92 (8.95) | 18,78 (7.25) | 12.62 (4.36) | 22.19 (9.01) | 18.82 (7.00) | 0.068 | 0.082 | 0.733 | 0.052 | ||||
Minimum anteversion | 14.62 (6.97) | 13.84 (6.36) | 10.76 (4.30) | 14.76 (6.92) | 14.01 (6.25) | 0.715 | 0.260 | 0.114 | 0.761 | ||||
Pelvic tilt in sagittal plane | 7.30 (4.48) | 4.93 (2.35) | 1.85 (0.87) | 7.43 (4.47) | 4.81 (2.12) | 0.306 | 0.249 | ||||||
Maximum „up” | 2.21 (4.56) | 3.48 (3.91) | 4.32 (1.11) | 3.27 (4.39) | 2.75 (3.05) | 0.172 | 0.136 | 0.685 | 0.733 | 0.127 | 0.605 | ||
Minimum „up” | −3.62 (4.43) | −2.69 (3.03) | −4.28 (1.06) | −2.81 (5.04) | −3.45 (3.75) | 0.469 | 0.287 | 0.761 | 0.592 | 0.310 | 0.354 | 0.412 | |
Pelvic tilt in frontal plane | 5.82 (2.88) | 6.17 (2.83) | 8.60 (2.16) | 6.08 (2.95) | 6.2 (2.83) | 0.394 | 0.052 | 0.661 | 0.738 | ||||
Maximum „forward” | 4.62 (5.17) | 6.34 (4.33) | 5.22 (2.55) | 5.43 (4.88) | 5.71 (4.36) | 0.303 | 0.246 | 0.107 | 0.758 | 0.733 | 0.739 | 0.750 | 0.484 |
Minimum „forward” | −4.86 (5.11) | −4.00 (3.90) | −4.75 (2.39) | −4.81 (4.80) | −5.52 (4.28) | 0.696 | 0.784 | 0.484 | 0.758 | 0.661 | 0.675 | 0.297 | 0.429 |
Pelvic tilt in transversal plane | 9.48 (4.88) | 11.32 (3.70) | 9.97 (4.90) | 10.25 (4.73) | 11.24 (3.65) | 0.795 | 0.212 | 0.052 | 0.884 | 0.817 | 0.234 | 0.153 | |
Maximum flexion | 32.53 (9.50) | 34.34 (10.21) | 35.85 (5.56) | 41.81 (11.41) | 37.44 (9.78) | 0.470 | 0.297 | 0.394 | 0.123 | 0.075 | 0.851 | 0.068 | |
Minimum flexion | 7.26 (15.09) | 1.20 (11.10) | −7.76 (4.10) | −0.02 (11.66) | −2.26 (11.35) | 0.648 | |||||||
Range of motion | 25.27 (9.93) | 33.14 (8.55) | 43.61 (4.78) | 41.83 (10.59) | 39.70 (8.53) | 0.369 | 0.062 | 0.101 | |||||
Maximum adduction | 1.37 (5.20) | 3.62 (5.51) | 4.75 (2.18) | 5.01 (4.96) | 4.00 (3.89) | 0.277 | 0.059 | 0.128 | 0.910 | 0.874 | 0.862 | 0.412 | |
Minimum adduction | −4.09 (5.22) | −3.53 (4.22) | −6.14 (2.22) | −3.04 (5.72) | −3.41 (5.5) | 0.212 | 0.693 | 0.761 | 0.910 | 0.543 | |||
Range of motion | 5.43 (2.83) | 7.15 (2.80) | 10.89 (2.02) | 8.05 (4.07) | 7.41 (3.51) | 0.011 | 0.004 | 0.685 | 0.260 | ||||
Maximum internal rotation | 0.96 (11.13) | −0.22 (11.16) | 6.05 (4.78) | −1.03 (8.74) | 0.19 (11.45) | 0.627 | 0.715 | 0.818 | 0.056 | 0.447 | |||
Minimum internal rotation | −17.84 (1.88) | −18.73 (9.95) | −7.18 (5.29) | −21.00 (11.44) | −21.24 (10.73) | 0.605 | 0.465 | 0.291 | 0.808 | ||||
Range of motion | 18.80 6.61 | 18.52 7.79 | 13.23 (3.90) | 19.97 (5.54) | 21.431 (7.37) | 0.903 | 0.503 | 0.338 | 0.465 | ||||
PreOP – preoperative; postOP – postoperative. p-value preoperative in comparison with healthy control group (Mann-Whitney-U Test); p-value for the test postoperative in comparison with control group (Mann-Whitney-U Test); p-value for test preoperative in comparison with postoperative (Wilcoxon Test); p-value for test preoperative in comparison with opposite side (Mann-Whitney-U Test); p-value test postoperative in comparison with opposite side (Mann-Whitney-U Test); p-value for test opposite side preoperative in comparison with control group (Mann-Whitney-U Test); p-value for test opposite side postoperative in comparison with control group (Mann-Whitney-U Test); p-value for test opposite side preoperative in comparison with opposite side postoperative (Wilcoxon Test). |