|
Clinical features
|
Primary infection(n = 36)
|
Past infection(n = 92)
|
No infection(n = 111)
|
|---|
|
Age (months)
|
41.8 ± 32.3*
|
60.3 ± 37.7**
|
37.7 ± 29.5*
|
|
Male/female patients
|
17/19
|
57/35
|
74/37
|
|
Length of stay (days)
|
9.1 ± 4.1
|
7.8 ± 2.5*
|
8.9 ± 3.9
|
|
Fever
|
31 (86.1%)
|
83 (90.2%)
|
97 (87.4%)
|
|
Cough
|
30 (83.3%)
|
65 (70.6%)
|
85 (76.6%)
|
|
Rash
|
14 (38.9%)**
|
17 (18.5%)*
|
16 (14.4%)*
|
|
Lymphadenopathy
|
11 (30.6%)
|
33 (35.9%)
|
29 (1.8%)*
|
|
Pharyngitis
|
26 (72.2%)
|
74 (80.4%)
|
79 (71.2%)
|
|
Palatal petechiae
|
3 (8.3%)
|
16 (17.4)
|
20 (18.0%)
|
|
Abnormal chest X ray
|
7/20 (35.0%)**
|
40/46 (87.0%)*
|
49/61 (80.3%)*
|
|
Hepatomegaly
| |
5 (5.4%)
|
7 (6.3%)
|
|
Splenomegaly
|
0 (0.0%)
|
3 (3.3%)
|
1 (0.9%)
|
|
ALC >10%
|
3/21 (14.3%)
|
9/51 (17.7%)
|
13/70 (18.6%)
|
|
Elevated ESR
|
10/21 (47.6%)
|
35/67 (53.2%)
|
30/63 (47.6%)
|
|
Elevated CRP
|
10/21 (47.6%)
|
33/68 (48.5%)
|
42/73 (57.5%)
|
|
ALF
|
4/18 (22.2%)
|
3/24 (12.5%)
|
12/33 (36.4%)
|
- IM, infectious mononucleosis; Non-IM, patients without IM; ALC, atypical lymphocytes; ESR, erythrocyte sedimentation rate; CRP, C-reactive protein; ALF, abnormal liver function (alanine aminotransferase or aspartate aminotransferase levels >46 U/L). P < 0.05 between * and **.
