Factors | All patients (n = 95) | PJK Group (n = 30) | Non-PJK Group (n = 65) | χ2 value | P value |
---|---|---|---|---|---|
Age (%) | |||||
 60 ~ 64 years | 28 (29.5) | 1 (3.3) | 27 (41.5) | 34.257 | 0.000 |
 65 ~ 70 years | 40 (42.1) | 9 (30.0) | 31 (47.7) | ||
 > 70 years | 27 (28.4) | 20 (66.7) | 7 (10.8) | ||
BMI (%) | |||||
 < 24.0 kg/m2 | 27 (28.4) | 2 (6.7) | 25 (38.5) | 33.035 | 0.000 |
 24.0 ~ 28.0 kg/m2 | 39 (41.1) | 7 (23.3) | 32 (49.2) | ||
 > 28.0 kg/m2 | 29 (30.5) | 21 (70.0) | 8 (12.3) | ||
BMD (%) | |||||
 − 3.5SD ≤ T value ≤ -2.5SD | 58 (61.1) | 7 (23.3) | 51 (78.5) | 26.235 | 0.000 |
 T value < − 3.5SD | 37 (38.9) | 23 (76.7) | 14 (21.5) | ||
Smoking (%) | |||||
 No | 62 (65.3) | 20 (66.7) | 42 (64.6) | 0.038 | 0.845 |
 Yes | 33 (34.7) | 10 (33.3) | 23 (35.4) | ||
Combined diseases (%) | |||||
 Hypertension | 35 (36.8) | 10 (33.3) | 25 (38.5) | 0.232 | 0.630 |
 Diabetes | 42 (44.2) | 14 (46.7) | 28 (66.7) | 0.107 | 0.743 |
 Heart diseases | 23 (24.2) | 8 (26.7) | 15 (23.1) | 0.144 | 0.704 |
 Strokes | 26 (27.4) | 9 (30.0) | 17 (26.2) | 0.153 | 0.696 |
ASIA grading (%) | |||||
 D | 19 (20.0) | 8 (26.7) | 11 (16.9) | 1.218 | 0.270 |
 E | 76 (80.0) | 22 (73.3) | 54 (83.1) | ||
PLC injury (%) | |||||
 No | 57 (60.0) | 7 (23.3) | 50 (76.9) | 24.562 | 0.000 |
 Yes | 38 (40.0) | 23 (76.7) | 15 (23.1) | ||
UIV (%) | |||||
 T10 or higher | 51 (52.6) | 9 (30.0) | 42 (64.6) | 9.892 | 0.002 |
 T10-T12 | 44 (47.4) | 21 (70.0) | 23 (35.4) | ||
LIV (%) | |||||
 L5 or higher | 52 (54.7) | 11 (36.7) | 41 (63.1) | 5.779 | 0.016 |
 S1 | 43 (45.3) | 19 (63.3) | 24 (36.9) | ||
Fixed segments (%) | |||||
 ≤ 7 | 50 (52.6) | 11 (36.7) | 39 (60.0) | 4.483 | 0.034 |
 > 7 | 45 (47.4) | 19 (63.3) | 26 (40.0) | ||
Pre-PJA (%) | |||||
 ≤ 5° | 67 (70.5) | 17 (56.7) | 50 (76.9) | 4.052 | 0.044 |
 > 5° | 28 (29.5) | 13 (43.3) | 15 (23.1) | ||
Pre-SVA (%) | |||||
 ≤ 50 mm | 55 (57.9) | 12 (40.0) | 43 (66.2) | 5.760 | 0.016 |
 > 50 mm | 40 (42.1) | 18 (60.0) | 22 (33.8) | ||
Pre-PI-LL (%) | |||||
 ≤ 20° | 57 (60.0) | 9 (30.0) | 48 (73.8) | 16.442 | 0.000 |
 > 20° | 38 (40.0) | 21 (70.0) | 17 (26.2) | ||
Pre-PT (%) | |||||
 ≤ 30° | 26 (27.4) | 5 (16.7) | 21 (32.3) | 2.526 | 0.112 |
 > 30° | 69 (72.6) | 25 (83.3) | 44 (67.7) | ||
Pre-SS (%) | |||||
 ≤ 25° | 38 (40.0) | 17 (56.7) | 21 (32.3) | 5.075 | 0.024 |
 > 25° | 57 (60.0) | 13 (43.3) | 44 (67.7) |