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

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 nodes^a

 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 lesions^a

 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)