Table 6 Distribution of other infectious foot diseases in 389 Norwegian dairy free-stall herds by DD category (DD+ /DD−)
From: A case–control study regarding factors associated with digital dermatitis in Norwegian dairy herds
Other infectious claw diseases | n | DD+ (n = 108) | DD− (n = 281) | OR | 95% CI of OR | P value |
|---|---|---|---|---|---|---|
n (%)b | n (%)b | |||||
Heel horn erosiona | ||||||
0 | 151 | 20 (18.5) | 131 (46.6) | Baseline | ||
1–10 | 142 | 39 (36.1) | 103 (36.7) | 2.48 | 1.36–4.51 | 0.003 |
11–30 | 58 | 28 (25.9) | 30 (10.7) | 6.11 | 3.04–12.28 | 0.000 |
> 30 | 38 | 21 (19.4) | 17 (6.0) | 8.09 | 3.66–17.90 | 0.000 |
Missing | 0 | 0 | 0 | |||
Interdigital dermatitisa | ||||||
0 | 179 | 18 (16.7) | 161 (57.3) | Baseline | ||
1 –10 | 174 | 67 (62.0) | 107 (38.1) | 5.60 | 3.15–9.95 | 0.000 |
> 10 | 36 | 23 (21.3) | 13 (4.6) | 15.83 | 6.86–36.53 | 0.000 |
Missing | 0 | 0 | 0 | |||
Interdigital hyperplasiaa | ||||||
0 | 295 | 59 (54.6) | 236 (84.0) | Baseline | ||
1–5 | 82 | 40 (37.0) | 42 (14.9) | 3.81 | 2.27–6.40 | 0.000 |
> 5 | 12 | 9 (8.3) | 3 (1.1) | 12 | 3.15–45.71 | 0.000 |
Missing | 0 | 0 | 0 | |||
Interdigital phlegmona | ||||||
0 | 356 | 92 (85.2) | 264 (94.0) | Baseline | ||
1–3 | 30 | 14 (13.0) | 16 (5.7) | 2.51 | 1.18–5.35 | 0.017 |
4–6 | 3 | 2 (1.8) | 1 (0.3) | 5.74 | 0.51–64.04 | 0.156 |
Missing | 0 | 0 | 0 | |||