Table 1 Results of uni- and multi-variate regression analyses of factors associated with failure to have an admission MRSA swab performed 1
From: Methicillin-resistant Staphylococcus aureus risk profiling: who are we missing?
Proportions (n) | Univariate regression | Multivariate regression | ||||
|---|---|---|---|---|---|---|
Variable | Swabs missed (n = 267) | Swabs done (n = 1740) | OR [95%CI] | P value | Adjusted OR [95%CI] | P value |
Male sex | 55.9 (148) | 58.6 (997) | 0.9 [0.7-1.1] | 0.402 | ||
Age < 50 years old | 30.3 (81) | 19.9 (339) | 1.7 [1.3-2.3] | <0.001 | 2.4 [1.4-3.9] | <0.001 |
Admitted from ICU | 4.5(12) | 7.6(129) | 0.6 [0.3-1.1] | 0.074 | ||
Admitted from another ward | 7.1(19) | 2.7(45) | 2.8 [1.6-4.9] | <0.001 | 2.8 [1.1-7.1] | 0.028 |
Admitted from home | 88.3(235) | 89.7(1526) | 0.9 [0.6-1.3] | 0.484 | ||
Uncomplicated diabetes mellitus | 10.4(12 | 18.7(126) | 0.5 [0.3-0.9] | 0.034 | ||
Acute renal failure | 10.4(12 | 21.8(147) | 0.4 [0.2-0.8] | 0.006 | ||
Chronic renal failure | 6.1(7) | 13.8(93) | 0.4 [0.2-0.9] | 0.026 | ||
End stage renal failure | 4.3(5) | 2.4(16) | 1.9 [0.7-5.2] | 0.231 | ||
Complicated diabetes mellitus | 5.2(6) | 9.8(66) | 0.5 [0.2-1.2] | 0.122 | ||
Peripheral vascular disease | 2.6(3) | 4.3(29) | 0.6 [0.2-2.0] | 0.400 | ||
Chronic obstructive pulmonary disease | 9.6(11) | 14.4(97) | 0.6 [0.3-1.2] | 0.167 | ||
Dementia | 0.9(1) | 1.5(10) | 0.6 [0.07-4.6] | 0.608 | ||
Stroke | 0 | 0.9(6) | Omitted | |||
Cerebral haemorrhage | 1.0(1) | 0.4(3) | 2.0 [0.2-19.0] | 0.561 | ||
Congestive cardiac failure | 11.3(13) | 24.8(167) | 0.4 [0.2-0.7] | 0.002 | ||
Ischaemic heart disease | 10.4(12) | 11.3(76) | 0.9 [0.5-1.8] | 0.791 | ||
Haematological malignancy | 10.4(12) | 5.8(39) | 1.9 [1.0-3.7] | 0.065 | ||
Carotid artery stenosis | 0 | 1.2(8) | Omitted | |||
Parkinsons disease | 0.9(1) | 0.7(5) | 1.2 [0.1-10.2] | 0.884 | ||
Connective tissue disease | 0.9(1) | 2.2(15) | 0.4 [0.05-2.9] | 0.358 | ||
Liver failure | 1.0(1) | 1.8(12) | 0.5 [0.06-3.8] | 0.488 | ||
Respiratory failure | 0 | 1.0(7) | Omitted | |||
Solid organ cancer | 35.7(41) | 15.4(104) | 3.0 [1.9-4.7] | <0.001 | 3.2[2.1-5.1] | <0.001 |
Metastatic cancer | 12.6(13) | 7.3(50) | 1.8 [0.3-3.9] | 0.866 | 2.6 [1.4-4.8] | 0.004 |
Peptic ulcer disease | 1.9(2) | 2.5(17) | 1.1 [0.3-3.9] | 0.866 | ||
Infection | 1.9(2) | 0.7(5) | 2.4 [0.5-12.5] | 0.301 | ||
Day of the week | ||||||
Monday | 8.90(35) | 91.10(358) | 0.8[0.4-1.4] | 0.355 | ||
Tuesday | 16.02(62) | 83.98(325) | 1.5[0.9-2.5] | 0.140 | ||
Wednesday | 15.93(54) | 84.07(285) | 1.5[0.9-2.5] | 0.155 | ||
Thursday | 16.08(46) | 83.92(240) | 1.5[0.9-2.6] | 0.153 | ||
Friday | 15.49(35) | 84.51(191) | 1.4[0.8-2.6] | 0.226 | ||
Saturday | 8.61(13) | 91.39(138) | 0.7[0.4-1.5] | 0.408 | ||
Sunday | 11.35(21) | 88.65(164) | 0.8[0.5-1.3] | 0.365 | ||