Table 4 Comparisons of the Change of Lordic Angle by Posture between Male and Female Subjects.
From: Gender differences in spinal mobility during postural changes: a detailed analysis using upright CT
Variables | Standing | Sitting | Delta value | P-value | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
Male | Female | Male | Female | Male | Female | p1 | p2 | p3 | ||
L1-S (°) | Young | 43.6 (36.6, 48.1) | 51.5 (40.6, 58.1) | 4.8 (− 4.9, 8.1) | 6.1 (− 4.3, 25.6) | − 42.2 (− 45.8, − 35.5) | − 48.4 (− 52.1, − 35.1) | 0.02* | 0.16 | 0.21 |
Elderly | 47.8 (36.1, 57.9) | 48.1 (41.1, 58.4) | 26.2 (10.6, 30.8) | 10.5 (2.2, 36.5) | − 18.9 (− 31.1, − 10.8) | − 32.9 (− 40.9, − 16.9) | 0.31 | 0.14 | 0.14 | |
Whole | 47.4 (36.6, 49.2) | 50.4 (40.8, 59.1) | 10.6 (3.5, 24.6) | 8.3 (0.7, 28.6) | − 34.3 (− 44.3, − 18.2) | − 37.8 (− 49.1, − 25.9) | 0.04* | 0.88 | 0.2 | |
L2-S (°) | Young | 41.1 (35.0, 44.8) | 47.2 (42.4, 54.6) | 4.6 (− 1.3, 8.6) | 5.0 (1.9, 20.9) | − 37.9 (− 41.7, − 32.5) | − 39.6 (− 45.9, − 36.0) | 0.02* | 0.15 | 0.23 |
Elderly | 43.6 (31.9, 50.4) | 44.8 (35.2, 54.7) | 25.4 (15.5, 32.0) | 9.0 (4.6, 36.5) | − 13.8 (− 26.6, − 9.4) | − 27.2 (− 33.7, − 12.6) | 0.28 | 0.1 | 0.12 | |
Whole | 42.7 (33.6, 45.7) | 46.8 (38.9, 54.7) | 13.7 (4.6, 25.7) | 8.0 (3.8, 24.3) | − 28.8 (− 41.1, − 12.9) | − 33.2 (− 42.1, − 24.3) | 0.04* | 0.81 | 0.16 | |
L3-S (°) | Young | 34.1 (31.1, 36.6) | 38.9 (37.2, 43.0) | 4.7 (2.1, 11.4) | 5.0 (2.8, 13.6) | − 29.1 (− 34.3, − 24.3) | − 32.7 (− 36.0, − 30.2) | 0.01* | 0.33 | 0.09 |
Elderly | 38.5 (27.0, 43.3) | 38.5 (27.7, 42.6) | 22.4 (16.1, 30.4) | 12.5 (6.9, 28.5) | − 11.3 (− 19.0, − 7.4) | − 21.5 (− 28.3, − 12.3) | 0.37 | 0.06 | 0.04* | |
Whole | 35.9 (27.3, 40.0) | 38.7 (34.3, 43.0) | 12.0 (4.7, 24.8) | 8.8 (4.8, 17.2) | − 20.5 (− 32.2, − 10.7) | − 28.2 (− 33.0, − 20.2) | 0.06 | 0.27 | 0.07 | |
L4-S (°) | Young | 23.2 (20.6, 28.0) | 24.0 (21.9, 26.8) | 6.7 (2.3, 8.5) | 3.0 (1.1, 8.5) | − 19.6 (− 23.1, − 12.9) | − 20.5 (− 24.7, − 17.0) | 0.35 | 0.22 | 0.271 |
Elderly | 32.9 (18.7, 34.3) | 27.2 (22.9, 30.8) | 21.2 (12.8, 24.5) | 13.7 (8.3, 18.2) | − 9.3 (− 13.2, − 5.1) | − 14.1 (− 17.1, − 10.5) | 0.26 | 0.049* | 0.04* | |
Whole | 25.7 (19.5, 33.2) | 25.3 (22.6, 29.7) | 8.5 (5.7 21.9) | 8.6 (2.9, 14.0) | − 12.9 (− 21.4, − 5.3) | − 17.0 (− 20.7, − 13.3) | 0.45 | 0.12 | 0.1 | |
L5-S (°) | Young | 9.1 (5.7, 11.1) | 9.0 (6.0, 10.5) | 2.4 (1.6, 4.3) | 2.0 (1.4, 3.5) | − 6.1 (− 8.9, − 4.5) | − 4.8 (− 9.2, − 3.4) | 0.43 | 0.38 | 0.35 |
Elderly | 14.8 (10.4, 16.1) | 13.0 (7.0, 15.7) | 9.6 (6.6, 12.0) | 4.4 (3.4, 7.7) | − 5.0 (− 6.3, − 2.1) | − 6.2 (− 7.8, − 3.9) | 0.25 | 0.06 | 0.13 | |
Whole | 10.8 (6.8, 14.7) | 9.2 (6.3, 13.3) | 4.3 (2.2, 9.6) | 3.5 (1.4, 5.6) | − 5.4 (− 7.9, − 3.5) | − 6.1 (− 8.4, − 3.8) | 0.35 | 0.18 | 0.37 | |
