Table 1.
Outcomes | Mean (95 % CI) | Mean | P value | |||||||
---|---|---|---|---|---|---|---|---|---|---|
Preoperative | 1 year | 2 years | 5 years | Norma | Normb | Preoperative | 1 or 2 years | 5 years | 5 years | |
(n = 50) | (n = 47) | (n = 41) | (n = 46) | 5 years | 5 yearsc | Norma | Normb | |||
Main outcomes | ||||||||||
PCS | 32.6 (29.7, 35.5) | 52.1 (49.4, 54.8) | 52.6 (49.8, 55.4) | 48.4 (45.0, 51.9) | 52.3 | 50.5 | <0.001 | 0.001 | 0.001 | 0.135 |
MCS | 37.8 (34.2, 41.4) | 52.2 (49.0, 55.3) | 50.7 (47.0, 54.4) | 45.5 (41.0, 50.1) | 52.5 | 50.7 | 0.003 | <0.001 | <0.001 | <0.001 |
Secondary outcomes | ||||||||||
Physical function | 43.7 (36.7, 50.7) | 87.5 (82.1, 93.0) | 89.9 (85.5, 94.3) | 83.5 (77.0, 90.0) | 88.7 | 85.3 | <0.001 | 0.006 | 0.002 | 0.315 |
Physical role function | 26.0 (16.4, 35.6) | 73.6 (62.8, 84.4) | 78.8 (68.8, 88.7) | 68.4 (56.6, 80.3) | 79.8 | 76.7 | <0.001 | 0.050 | 0.007 | 0.097 |
Bodily pain | 38.8 (31.0, 46.6) | 73.7 (66.0, 81.4) | 75.5 (68.3, 82.6) | 65.8 (56.9, 74.7) | 74.5 | 71.6 | <0.001 | 0.015 | 0.017 | 0.289 |
General health | 42.4 (35.7, 49.2) | 81.0 (74.0, 86.3) | 77.9 (70.7, 85.2) | 65.1 (57.1, 73.2) | 76.2 | 70.4 | <0.001 | <0.001 | <0.001 | 0.044 |
Vitality | 31.5 (25.2, 37.8) | 65.2 (58.9, 71.5) | 64.3 (57.4, 71.1) | 53.3 (45.4, 61.2) | 61.4 | 58.5 | <0.001 | 0.003 | 0.014 | 0.187 |
Social function | 56.1 (47.6, 64.5) | 87.2 (82.2, 92.3) | 83.3 (76.7, 89.9) | 77.4 (69.7, 86.1) | 87.6 | 84.6 | <0.001 | 0.008 | 0.001 | 0.009 |
Emotional role function | 44.7 (32.6, 56.7) | 79.0 (68.9, 89.1) | 79.0 (68.0, 90.1) | 64.8 (51.4, 78.1) | 86.7 | 81.4 | 0.006 | 0.010 | <0.001 | <0.001 |
Mental health | 60.5 (54.4, 66.6) | 81.0 (75.7, 86.2) | 77.5 (71.4, 83.5) | 70.2 (62.9, 77.5) | 80.6 | 78.3 | 0.023 | <0.001 | <0.001 | <0.001 |
HADSA | 7.6 (6.4, 8.9) | 4.9 (3.8, 6.0) | 4.7 (3.7, 5.8) | 6.6 (5.1, 8.1) | 4.4 | 4.4 | 0.139 | 0.003 | <0.001 | <0.001 |
HADSD | 6.3 (5.0, 7.6) | 2.1 (1.4, 2.8) | 2.1 (1.2, 3.0) | 3.5 (2.3, 4.7) | 3.0 | 3.5 | 0.001 | 0.004 | 0.096 | 1.000 |
SF-36 and HADS scores (95%CIs) are from the repeated linear mixed model: preoperative, 1 year, 2 years, and 5 years after DS
aAdjusted norm scores for age and gender
bAdjusted norm scores for age, gender, and BMI
cThe highest score at 1 or 2 year between surgery and the 5-year follow-up are used in the analysis