Table 7 Associated factors for infection after 48 h of admission in the ICU
Risk factors | Not infected | Infected | Odds ratio (95% CI) | P value |
|---|---|---|---|---|
N (%) | N (%) | |||
Age group in years | ||||
 ≤30 | 30 (37.97) | 14 (43.75) | 1.27 (0.55–2.92) | 0.723 |
 31–40 | 18 (22.78) | 8 (25.00) | 1.13 (0.43–2.94) | 0.983 |
 41–50 | 8 (9.86) | 1 (3.13) | 0.27 (0.03–2.39) | 0.0412 |
 51–60 | 10 (10.13) | 3 (9.38) | 0.71 (0.18–2.78) | 0.901 |
 >60 | 13 (16.46) | 6 (18.75) | 1.17 (0.40–3.41) | 0.969 |
Sex | ||||
 Female | 34 (43.04) | 15 (46.88) |  |  |
 Male | 45 (56.96) | 17 (53.13) | 0.86 (0.38–1.95) | 0.717 |
Referring within hospital | ||||
 No | 12 (15.19) | 5 (15.63) |  |  |
 Yes | 67 (84.81) | 27 (84.38) | 0.97 (0.31–3.01) | 0.935 |
Admitting diagnosis | ||||
 Traumatic brain injury | 13 (16.46) | 12 (37.50) | 3.05 (1.20–7.72) | 0.035 |
 Haemorrhage | 2 (2.53) | 2 (6.25) | 2.57 (0.35–19.05) | 0.653 |
 Spinal cord injury | 2 (2.53) | 1 (3.13) | 1.242 (0.11–14.20) | 0.843 |
 Severe sepsis | 18 (22.78) | 3 (9.38) | 0.35 (0.10–1.29) | 0.163 |
 Cerebrovascular accident | 9 (11.39) | 5 (15.63) | 1.44 (0.44–4.69) | 0.747 |
 Cardiac condition | 7 (8.86) | 0 | – | – |
 Respiratory condition | 18 (22.78) | 3 (9.38) | 0.35 (0.10–1.29) | 0.163 |
 Kidney condition | 5 (6.33) | 3 (9.38) | 1.53 (0.34–6.82) | 0.837 |
 Obstetric condition | 1 (1.27) | 3 (9.38) | 8.07 (0.81–80.71) | 0.143 |
 Post Operative | 4 (5.06) | 0 | – | – |
Antibiotics before admission | ||||
 No | 18 (22.78) | 4 (12.50) |  |  |
 Yes | 61 (77.22) | 28 (87.50) | 2.07 (0.64–6.67) | 0.334 |
Ventilation | ||||
 No | 43 (54.43) | 7 (21.88) |  |  |
 Yes | 36 (45.57) | 25 (78.13) | 4.27 (1.65–11.01) | 0.003 |