Table 2 Associations between wound colonization by Staphylococcus spp. and Staphylococcus aureus, and hospitalization variables and wound characteristics
| Â | Wound colonization by Staphylococcus spp. | Â | Â | Wound colonization by S. aureus | Â | Â | ||
|---|---|---|---|---|---|---|---|---|
| Â | Yes | No | p | PR | Yes | No | p | PR |
| Â | n (%) | n (%) | (95% CI) | n (%) | n (%) | (95% CI) | ||
Type of ward | Â | Â | Â | Â | Â | Â | Â | Â |
Medical | 55 (65.90) | 29 (34.10) | 0.87 | 1.05 | 22 (25.90) | 63 (74.10) | 0.03 | 3.45 |
Surgical or ICU | 25 (62.50) | 15 (37.50) | (0.79-1.40) | 3 (7.50) | 37 (92.50) | (1.10-10.86) | ||
Length of hospitalization | Â | Â | Â | Â | Â | Â | Â | Â |
≥7 days | 36 (57.10) | 27 (42.90) | 0.10 | 0.79 | 10 (15.90) | 53 (84.10) | 0.35 | 0.66 |
<7Â days | 45 (72.60) | 17 (27.40) | (0.60-1.02) | 15 (24.20) | 47 (75.80) | (0.32-1.35) | ||
Prior antibiotic use | Â | Â | Â | Â | Â | Â | Â | Â |
≥3 days | 37 (58.70) | 26 (41.30) | 0.21 | 0.83 | 6 (9.50) | 57 (90.50) | 0.01 | 0.31 |
<3Â days | 44 (71.00) | 18 (29.00) | (0.64-1.07) | 19 (30.60) | 43 (69.40) | (0.13-0.73) | ||
Clinical outcome | Â | Â | Â | Â | Â | Â | Â | Â |
Death | 31 (64.60) | 17 (35.40) | 1.00 | 1.01 | 11 (22.90) | 37 (77.10) | 0.60 | 1.32 |
Discharge or transfer | 48 (64.00) | 27 (36.00) | (0.77-1.32) | 13 (17.30) | 62 (82.70) | (0.65-2.71) | ||
Prior hospitalization | Â | Â | Â | Â | Â | Â | Â | Â |
Yes | 49 (62.00) | 30 (38.00) | 0.51 | 0.89 | 12 (15.20) | 67 (84.80) | 0.13 | 0.54 |
No | 32 (69.60) | 14 (30.40) | (0.69-1.15) | 13 (28.30) | 33 (11.70) | (0.27-1.08) | ||
Prior antibiotic use | Â | Â | Â | Â | Â | Â | Â | Â |
Yes | 28 (57.10) | 21 (42.90) | 0.21 | 0.82 | 8 (16.30) | 41 (83.70) | 0.55 | 0.73 |
No | 53 (69.70) | 23 (30.30) | (0.62-1.09) | 17 (22.40) | 59 (77.60) | (0.34-1.56) | ||
Wound acquisition | Â | Â | Â | Â | Â | Â | Â | Â |
Hospital | 21 (67.70) | 10 (32.30) | 0.86 | 1.06 | 2 (6.50) | 29 (93.50) | 0.05 | 0.26 |
Community | 60 (63.80) | 34 (36.20) | (0.80-1.41) | 23 (24.50) | 71 (75.50) | (0.07-1.05) | ||
Wound type | Â | |||||||
Pressure ulcer | 40 (63.50) | 23 (36.50) | 0.90 | 0.96 | 11 (17.50) | 52 (82.50) | 0.62 | 0.77 |
Diabetic foot or other | 41 (66.10) | 21 (33.90) | (0.74-1.24) | 14 (22.60) | 48 (77.40) | (0.38-1.57) | ||
Wound site | Â | Â | Â | Â | Â | Â | Â | Â |
Lower limb | 43 (66.20) | 22 (33.80) | 0.89 | 1.04 | 17 (26.20) | 48 (73.80) | 0.12 | 1.96 |
Sacral or other | 38 (63.30) | 22 (36.70) | (0.81-1.35) | 8 (13.30) | 52 (86.70) | (0.91-4.21) | ||
Wound duration | Â | Â | Â | Â | Â | Â | Â | Â |
≤days | 43 (68.30) | 20 (31.70) | 0.53 | 1.11 | 10 (15.90) | 53 (84.10) | 0.35 | 0.66 |
>30Â days | 38 (61.30) | 24 (38.70) | (0.86-1.44) | 15 (24.20) | 47 (75.80) | (0.32-1.35) | ||
Wound diameter | Â | Â | Â | Â | Â | Â | Â | Â |
>5Â cm | 36 (58.10) | 26 (41.90) | 0.17 | 0.81 | 13 (21.00) | 49 (79.00) | 0.79 | 1.10 |
≤5 cm | 45 (71.40) | 18 (28.60) | (0.62-1.06) | 12 (19.00) | 51 (81.00) | (0.55-2.22) | ||
Wound pus | Â | Â | Â | Â | Â | Â | Â | Â |
Yes | 22 (71.00) | 9 (29.00) | 0.54 | 1.13 | 9 (29.00) | 22 (71.00) | 0.23 | 1.71 |
No | 59 (62.80) | 35 (37.20) | (0.86-1.49) | 16 (17.00) | 78 (83.00) | (0.80-3.46) | ||
Wound necrosis | Â | Â | Â | Â | Â | Â | Â | Â |
Yes | 41 (57.70) | 30 (42.30) | 0.09 | 0.78 | 13 (18.30) | 58 (81.70) | 0.75 | 0.82 |
No | 40 (74.10) | 14 (25.90) | (0.60-1.00) | 12 (22.20) | 42 (77.80) | (0.41-1.66) | ||
Foul wound odor | Â | |||||||
Yes | 13 (56.50) | 10 (43.50) | 0.50 | 0.85 | 6 (26.10) | 17 (73.90) | 0.40 | 1.40 |
No | 68 (66.70) | 34 (33.30) | (0.58-1.24) | 19 (18.60) | 83 (81.40) | (0.63-3.11) | ||