Table 2.
Statistical description of present medical history, knee function and life-quality scores.
| Index Statistics |
Sum(N = 150) | Study group(N = 73) | Control group(N = 77) | statistic value | P value |
|---|---|---|---|---|---|
| Present medical history SOC classification, n(%) | — | — | |||
| Various musculoskeletal and connective tissue diseases | 150 (100.0%) | 73 (100.0%) | 77 (100.0%) | ||
| Present medical history staging | 0.13 | 0.7149 | |||
| Initial stage, n(%) | 0 (0.0%) | 0 (0.0%) | 0 (0.0%) | ||
| Early stage, n(%) | 0 (0.0%) | 0 (0.0%) | 0 (0.0%) | ||
| Middle stage, n(%) | 25 (16.7%) | 13 (17.8%) | 12 (15.6%) | ||
| End stage, n(%) | 125 (83.3%) | 60 (82.2%) | 65 (84.4%) | ||
| Affected knee | 2.08 | 0.1489 | |||
| Left lower extremity, n(%) | 83 (55.3%) | 36 (49.3%) | 47 (61.0%) | ||
| Right lower extremity, n(%) | 67 (44.7%) | 37 (50.7%) | 30 (39.0%) | ||
| ROM of affected knee(°) | −0.07 | 0.9437 | |||
| Number of cases (missing) | 150 (0) | 73 (0) | 77 (0) | ||
| Average value(standard deviation) | 99.9(20.10) | 99.8(20.95) | 100.0(19.40) | ||
| Median number (Q1, Q3) | 100.0 (90.0, 115.0) | 100.0 (90.0, 115.0) | 95.0 (90.0, 110.0) | ||
| Min, Max | 45.0, 140.0 | 45.0, 140.0 | 50.0, 140.0 | ||
| HSS Overall Score | 1.52 | 0.1298 | |||
| Number of cases (missing) | 150 (0) | 73 (0) | 77 (0) | ||
| Average value(standard deviation) | 63.7(12.81) | 65.3(11.34) | 62.2(13.96) | ||
| Median number (Q1, Q3) | 64.5 (55.0, 73.0) | 66.0 (58.0, 73.0) | 63.0 (55.0, 71.0) | ||
| Min, Max | 31.0, 94.0 | 40.0, 89.0 | 31.0, 94.0 | ||
| HSS overall score group, n(%) | NA | 0.4986 | |||
| ≥85 points | 5 (3.3%) | 2 (2.7%) | 3 (3.9%) | ||
| 70–84 points | 53 (35.3%) | 29 (39.7%) | 24 (31.2%) | ||
| 60–69 points | 45 (30.0%) | 23 (31.5%) | 22 (28.6%) | ||
| <60 points | 47 (31.3%) | 19 (26.0%) | 28 (36.4%) | ||
| KSS Objective score | 1.71 | 0.0899 | |||
| Number of cases (missing) | 150 (0) | 73 (0) | 77 (0) | ||
| Average value(standard deviation) | 36.8(19.66) | 39.6(18.27) | 34.2(20.66) | ||
| Median number (Q1, Q3) | 34.0 (26.0, 43.0) | 35.0 (29.0, 57.0) | 33.0 (22.0, 39.0) | ||
| Min, Max | −12, 76 | −3, 76 | −12, 76 | ||
| KSS symptom score | −0.39 | 0.6984 | |||
| Number of cases (missing) | 150 (0) | 73 (0) | 77 (0) | ||
| Average value(standard deviation) | 15.8(3.71) | 15.7(3.53) | 15.9(3.89) | ||
| Median number (Q1, Q3) | 16.5 (13.0, 19.0) | 16.0 (13.0, 18.0) | 17.0 (13.0, 19.0) | ||
| Min, Max | 2, 23 | 6, 23 | 2, 23 | ||
| KSS patients' satisfactory value | −0.38 | 0.7072 | |||
| Number of cases (missing) | 150 (0) | 73 (0) | 77 (0) | ||
| Average value(standard deviation) | 17.1(6.00) | 16.9(5.60) | 17.2(6.39) | ||
| Median number (Q1, Q3) | 18.0 (14.0, 20.0) | 18.0 (14.0, 20.0) | 18.0 (14.0, 22.0) | ||
| Min, Max | 0, 34 | 0, 30 | 4, 34 | ||
| KSS Score of surgical expectations | 0.08 | 0.9333 | |||
| Number of cases (missing) | 150 (0) | 73 (0) | 77 (0) | ||
| Average value(standard deviation) | 14.4(1.50) | 14.4(1.54) | 14.4(1.47) | ||
| Median number (Q1, Q3) | 15.0 (15.0, 15.0) | 15.0 (15.0, 15.0) | 15.0 (15.0, 15.0) | ||
| Min, Max | 6, 15 | 6, 15 | 8, 15 | ||
| KSS functional score | 1.65 | 0.1002 | |||
| Number of cases (missing) | 148 (2) | 71 (2) | 77 (0) | ||
| Average value(standard deviation) | 34.8(17.70) | 37.3(16.68) | 32.5(18.40) | ||
| Median number (Q1, Q3) | 35.0 (22.5, 46.0) | 38.0 (27.0, 48.0) | 31.0 (21.0, 44.0) | ||
| Min, Max | −10.0, 84.0 | −10.0, 76.0 | −10.0, 84.0 | ||
| WOMAC Score | −0.04 | 0.9715 | |||
| Number of cases (missing) | 150 (0) | 73 (0) | 77 (0) | ||
| Average value(standard deviation) | 119.0(40.63) | 118.9(40.44) | 119.2(41.07) | ||
| Median number (Q1, Q3) | 117.5 (90.0, 144.0) | 112.0 (88.0, 145.0) | 122.0 (92.0, 141.0) | ||
| Min, Max | 9.0, 238.0 | 28.0, 238.0 | 9.0, 235.0 | ||
| SF-36 health scale score | 1.01 | 0.3142 | |||
| Number of cases (missing) | 149 (1) | 72 (1) | 77 (0) | ||
| Average value(standard deviation) | 49.29(16.568) | 50.71(17.129) | 47.96(16.025) | ||
| Median number (Q1, Q3) | 47.40 (37.70, 61.00) | 47.45 (37.85, 64.20) | 46.60 (37.30, 57.60) | ||
| Min, Max | 18.8, 89.5 | 18.8, 89.5 | 19.7, 87.4 |