Variables | Current smokers (n = 138) | Non-smokers (n = 482) | P-valued |
---|---|---|---|
Frequency of knee paina, n (%) | |||
Never | 3 (2.2) | 6 (1.2) | |
Monthly | 7 (5.1) | 21 (4.4) | |
Weekly | 15 (10.9) | 55 (11.4) | |
Daily | 88 (63.8) | 313 (64.9) | |
Always | 25 (18.1) | 87 (18.1) | 0.94 |
KOOS scoresb, mean (95% CI) | |||
Pain | 52.3 (49.2–55.3) | 55.6 (54.0–57.3) | 0.06 |
Symptoms | 56.6 (53.5–59.7) | 60.9 (59.2–62.5) | 0.02 |
ADL | 60.0 (56.8–63.1) | 64.8 (63.0–66.5) | 0.01 |
Sport/Rec | 22.5 (19.2–25.9) | 27.3 (25.3–29.3) | 0.02 |
QoL | 37.9 (35.3–40.5) | 42.7 (41.3–44.0) | 0.001 |
Meniscal tissue quality, n (%) | |||
Non-degenerative | 65 (47.1) | 180 (37.3) | |
Degenerative | 69 (50.0) | 286 (59.3) | |
Undetermined | 4 (2.9) | 16 (3.3) | 0.11 |
ICRS cartilage gradec, n (%) | |||
Medial compartment | |||
Grade 0 | 42 (30.4) | 136 (28.2) | |
Grade 1 | 38 (27.5) | 108 (22.4) | |
Grade 2 | 28 (20.3) | 88 (18.3) | |
Grade 3 | 28 (20.3) | 111 (23.0) | |
Grade 4 | 2 (1.5) | 39 (8.1) | 0.06 |
Lateral compartment | |||
Grade 0 | 66 (47.8) | 197 (40.9) | |
Grade 1 | 48 (34.8) | 158 (32.8) | |
Grade 2 | 15 (10.9) | 77 (16.0) | |
Grade 3 | 9 (6.5) | 36 (7.5) | |
Grade 4 | 0 | 14 (2.9) | 0.11 |
Patellofemoral compartment | |||
Grade 0 | 54 (39.1) | 174 (36.1) | |
Grade 1 | 45 (32.6) | 122 (25.3) | |
Grade 2 | 19 (13.8) | 85 (17.6) | |
Grade 3 | 16 (11.6) | 73 (15.2) | |
Grade 4 | 4 (2.9) | 28 (5.8) | 0.20 |