Table 3.
Multivariate analysis of MRSA and clinical factors from wound-infected patients attending Arba Minch Hospital, Arba Minch, South Ethiopia, April to June 2017.
| Variable | Negative no. (%) | Positive no. (%) | Crude OR (95% CI) | p value | Adjusted OR (95% CI) | p value |
|---|---|---|---|---|---|---|
| Previous diseases | ||||||
| Hypertension | 6 (6.3) | 11 (17.0) | 2.638 (0.904–7.704) | 0.076 | 2.72 (0.482–15.363) | 0.257 |
| Tuberculosis | 5 (5.2) | 3 (4.6) | 0.863 (0.195–3.815) | 0.846 | 0.000 | 0.998 |
| Diabetes | 10 (10.4) | 10 (15.4) | 1.439 (0.549–3.769) | 0.459 | 0.686 (0.116–4.057) | 0.678 |
| HIV/AIDS | 16 (16.7) | 0 | 0.000 | 0.998 | 0.000 | 0.998 |
| No chronic diseases | 59 (61.4) | 41 (63.1) | 1.00 | 1.00 | ||
|
| ||||||
| Type of wound | ||||||
| Trauma | 7 (7.3) | 10 (15.4) | 2 (0.650–6.151) | 0.227 | 1.276 (0.095–17.211) | 0.854 |
| Burn | 9 (9.4) | 13 (20.0) | 2.02 (0.725–5.639) | 0.178 | 13.752 (0.104–1815.1) | 0.293 |
| Surgical site infection | 34 (35.4) | 19 (29.2) | 0.782 (0.351–1.746) | 0.549 | 0.320 (0.01–10.686) | 0.525 |
| Abrasion and skin tear | 28 (29.2) | 20 (30.8) | 1.00 | 1.00 | ||
| Others | 18 (18.7) | 3 (4.6) | 0.233 (0.060–0.900) | 0.035 | 0.000 | 0.998 |
|
| ||||||
| Cause of wound | ||||||
| Burn | 10 (10.4) | 14 (21.5) | 2.864 (1.098–7.467) | 0.031 | 0.226 (0.002–29.914) | 0.550 |
| Surgery | 35 (36.5) | 19 (29.2) | 1.110 (0.521–2.365) | 0.786 | 0.140 (0.002–8.007) | 0.341 |
| Gun shot | 2 (2.1) | 4 (6.2) | 4.091 (0.095–24.07) | 0.119 | 0.402 (0.014–15.418) | 0.666 |
| Bite | 0 | 3 (4.6) | 0.000 | 0.999 | 0.000 | 0.999 |
| Injury | 45 (47.0) | 22 (33.8) | 1.00 | 1.00 | ||
| Others | 4 (4.2) | 3 (4.6) | 1.534 (0.316–7.458) | 0.596 | 0.000 | 0.998 |
|
| ||||||
| Site of wound | ||||||
| Head | 24 (25.0) | 8 (12.3) | 0.4 (0.139–1.147) | 0.088 | 0.845 (0.137–5.205) | 0.856 |
| Neck | 5 (5.2) | 5 (7.7) | 1.2 (0.291–4.947) | 0.801 | 21.405 (0.941–487.06) | 0.06 |
| Abdomen | 10 (10.4) | 12 (18.5) | 1.44 (0.487–4.255) | 0.509 | 11.159 (0.733–169.916) | 0.083 |
| Shoulder | 5 (5.2) | 4 (6.2) | 0.96 (0.218–4.228) | 0.957 | 1.540 (00.076–31.062 | 0.778 |
| Buttock | 2 (2.1) | 3 (4.6) | 1.8 (0.265–12.228) | 0.548 | 10.84 (0.436–269.42) | 0.146 |
| Genitalia | 2 (2.1) | 4 (6.2) | 2.4 (0.385–14.968) | 0.349 | 75.202 (1.843–3068.17) | 0.202 |
| Hand | 18 (18.7) | 15 (23.1) | 1.00 | 1.00 | ||
| Leg | 28 (29.2) | 14 (21.5) | 0.6 (0.235–1.534) | 0.286 | 0.441 (0.082–2.368) | 0.340 |
| Others | 2 (2.1) | 0 | 0.000 | 0.999 | 0.000 | 0.999 |
|
| ||||||
| Hospital stay | ||||||
| 1 day | 26 (27.1) | 10 (15.4) | 0.850 (0.343–2.109) | 0.726 | 0.257 (0.054–1.217) | 0.087 |
| 2–4 day | 42 (43.7) | 19 (29.2) | 1.00 | 1.00 | ||
| 5–6 day | 5 (5.2) | 14 (21.5) | 6.189 (1.948–19.66) | 0.002 | 5.896 (1.063–32.698) | 0.420 |
| >1 week | 23 (24.0) | 22 (33.8) | 2.114 (0.953–4.692) | 0.066 | 1.359 (0.376–4.918) | 0.640 |
|
| ||||||
| Previous wound infection | ||||||
| Yes | 47 (48.9) | 50 (76.9) | 1.00 | 1.00 | ||
| No | 49 (51.1) | 15 (23.1) | 3.475 (1.722–7.013) | 0.001 | 0.605 (0.173–2.121) | 0.433 |