Radiographic OA definition | Gout | No gout | Crude OR (95 % CI) | Adjusted OR (95 % CI) |
---|---|---|---|---|
Hand | n = 53 | n = 211 | a | |
Radiographic OA (K&L ≥ 2) affecting IPJs on at least two rays on each hand (%) | 10 (19) | 28 (13) | 1.57 (0.69, 3.60) | 1.46 (0.61, 3.50) |
Moderate to severe radiographic OA (K&L ≥ 3) affecting IPJs on at least two rays on each hand (%) | 3 (6) | 12 (6) | 1.00 (0.24, 4.11) | 1.02 (0.22, 4.70) |
Total number of joints affected by radiographic OA in the hand (K&L ≥ 2) [0–32]: | ||||
0 (%) | 17 (32) | 62 (29) | 1.00 | 1.00 |
1–2 (%) | 15 (28) | 62 (29) | 0.91 (0.41, 2.03) | 0.85 (0.37, 1.97) |
3–7 (%) | 13 (25) | 65 (31) | 0.72 (0.30, 1.75) | 0.65 (0.26, 1.67) |
≥ 8 (%) | 8 (15) | 22 (10) | 1.39 (0.46, 4.15) | 1.24 (0.38, 4.06) |
Total number of joints affected by moderate to severe radiographic OA in the hand (K&L ≥ 3) [0–32]: | ||||
0 (%) | 34 (64) | 134 (64) | 1.00 | 1.00 |
1–2 (%) | 8 (15) | 46 (22) | 0.76 (0.33, 1.77) | 0.69 (0.29, 1.63) |
3–7 (%) | 7 (13) | 25 (12) | 1.17 (0.46, 2.98) | 1.16 (0.45, 3.00) |
≥ 8 (%) | 4 (8) | 6 (3) | 3.48 (0.69, 17.72) | 3.57 (0.62, 20.45) |
Knee | n = 27 | n = 108 | b | |
Radiographic OA (K&L ≥ 2 or Burnett grade ≥ 1) affecting the TF joint in either knee (%) | 11 (41) | 49 (45) | 0.82 (0.33, 1.99) | 0.44 (0.15, 1.29) |
Radiographic OA (K&L ≥ 2 or Burnett grade ≥ 1) affecting the PF joint in either knee (%) | 20 (74) | 76 (70) | 1.22 (0.45, 3.29) | 0.70 (0.22, 2.22) |
Radiographic OA (K&L ≥ 2 or Burnett grade ≥ 1) affecting the TF and PF joints in either knee (%) | 11 (41) | 41 (38) | 1.13 (0.46, 2.78) | 0.57 (0.20, 1.65) |
Radiographic OA (K&L ≥ 3 or Burnett grade 3) affecting the TF joint in either knee (%) | 4 (15) | 27 (25) | 0.51 (0.16, 1.63) | 0.28 (0.07, 1.09) |
Radiographic OA (K&L ≥ 3 or Burnett grade 3) affecting the PF joint in either knee (%) | 7 (26) | 26 (24) | 1.13 (0.39, 3.25) | 0.58 (0.18, 1.86) |
Radiographic OA (K&L ≥ 3 or Burnett grade 3) affecting the TF and PF joints in either knee (%) | 3 (11) | 10 (9) | 1.22 (0.32, 4.71) | 0.54 (0.12, 2.40) |
Foot | n = 25 | n = 99 | c | |
Radiographic OA (Menz ≥ 2) affecting at least one of 1st MTPJ, 1st CMJ, 2nd CMJ, N1stCJ and TNJ in either foot (%) | 20 (80) | 67 (68) | 2.22 (0.69, 7.15) | 2.16 (0.66, 7.06) |
Severe radiographic OA (Menz ≥ 3) affecting at least one of 1st MTPJ, 1st CMJ, 2nd CMJ, N1stCJ and TNJ in either foot (%) | 7 (28) | 21 (21) | 1.46 (0.54, 3.94) | 1.45 (0.53, 3.97) |
Total number of joints affected by radiographic OA (Menz ≥ 2) [0–10]: | ||||
0 (%) | 5 (20) | 32 (32) | 1.00 | 1.00 |
1–2 (%) | 10 (40) | 46 (46) | 1.64 (0.47, 5.72) | 1.55 (0.44, 5.47) |
≥ 3 (%) | 10 (40) | 21 (21) | 3.86 (0.97, 15.31) | 4.00 (0.99, 16.10) |
Total number of joints affected by severe radiographic OA (Menz ≥ 3) [0–10]: | ||||
0 (%) | 18 (72) | 78 (79) | 1.00 | 1.00 |
1–2 (%) | 7 (28) | 21 (21) | 1.46 (0.54, 3.94) | 1.45 (0.53, 3.97) |
Radiographic OA (Menz ≥ 2) affecting either 1st MTPJ (%) | 13 (52) | 37 (37) | 1.90 (0.75, 4.78) | 1.85 (0.73, 4.69) |
Radiographic OA (Menz ≥ 2) affecting either 1st CMJ (%) | 2 (8) | 13 (13) | 0.59 (0.13, 2.75) | 0.54 (0.11, 2.56) |
Radiographic OA (Menz ≥ 2) affecting either 2nd CMJ (%) | 7 (28) | 24 (24) | 1.26 (0.45, 3.54) | 1.34 (0.46, 3.91) |
Radiographic OA (Menz ≥ 2) affecting either N1stCJ (%) | 6 (24) | 12 (12) | 2.46 (0.78, 7.73) | 2.60 (0.80, 8.46) |
Radiographic OA (Menz ≥ 2) affecting either TNJ (%) | 10 (40) | 23 (23) | 2.18 (0.87, 5.46) | 2.24 (0.88, 5.70) |