Table 1 Characteristics of invasive versus noninvasive MRSA infections in neonates
|  | Invasive infections (n = 67) | Noninvasive infections (n = 153) | χ2 | p value |
|---|---|---|---|---|
Sex, M/F | 42/25 | 96/57 | 0.000 | 0.993 |
Age at admission (days), median (IQR) | 8.0(1.0–29.0) | 19.0(1.0–30.0) | -5.889* | 0.000 |
Underling disease | Â | Â | Â | Â |
 Congenital heart disease | 21(31.34%) | 24(15.69%) | 7.020 | 0.008 |
 Preterm Neonates | 9(13.43%) | 12(7.84%) | 1.686 | 0.194 |
 low birth weight infant | 5(7.46%) | 2(1.31%) | 3.907 | 0.029 |
 bronchopulmonary dysplasia | 7(10.45%) | 14(9.15%) | 0.091 | 0.763 |
 Immunodeficiency | 0(0.00%) | 1(0.65%) | - | - |
Hospital stay (days), median (IQR) | 32.5(1.0-305.0) | 11.0(3.0-150.0) | 7.498* | 0.000 |
Died | 2(2.99%) | 0(0.00%) | - | - |