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Table 2 Clinical findings considered in the 91 feline immunodeficiency virus (FIV)-positive cases and 182 FIV-negative controls, with description of number (N) and percentage (%) of cats recorded for each variable

From: Association between feline immunodeficiency virus and Leishmania infantum infections in cats: a retrospective matched case-control study

Variable Cases Controls Total
N (%) N (%) N (%)
Body condition score
 Normal or overweight 60 (65.9) 113 (62.1) 173 (79)
 Underweight 20 (22) 26 (14.3) 46 (21)
 Total 80 139 219
 Missing 11 (12.1) 43 (23.6) 54 (19.7)
Mucous membranes
 Normal 80 (87.9) 166 (86.5) 246 (91.8)
 Pale 9 (9.9) 13 (7.1) 22 (8.2)
 Total 89 179 268
 Missing 2 (2.2) 3 (1.6) 5 1.8
Lymph nodesa
 Enlarged 37 (40.7) 52 (28.6) 89 (33)
 Normal 52 (57.1) 129 (70.9) 181 (67)
 Total 89 181 270
 Missing 2 (2.2) 1 (0.5) 3 (1.09)
Ocular lesions
 Presence 13 (14.3) 24 (13.1) 37 (13.6)
 Absence 78 (85.7) 157 (86.3) 235 (86.4)
 Total 91 171 272
 Missing 0 1 (0.5) 1 (0.5)
Skin lesionsa
 Presence 27 (29.7) 32 (17.6) 59 (21.6)
 Absence 64 (70.3) 150 (82.4) 214 (78.4)
 Total 91 182 273
Oral lesions
 Presence 40 (44) 46 (25.3) 86 (36.7)
 Absence 50 (55) 98 (53.8) 148 (63.2)
 Total 90 144 234
 Missing 1 (1) 38 (20.1) 39 (14.3)
  1. aStatistically significant Fisher’s exact test