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Table 1 Detailed results from individual studies

From: Infection rates associated with epidural indwelling catheters for seven days or longer: systematic review and meta-analysis

      Deep infection Superficial infection Any catheter-related infection
Study Patients Cohort Number of patients Catheter duration (days) Number with infection Percent of patients affected Per 1000 catheter days Number with infection Percent of patients affected Per 1000 catheter days Number with infection Percent of patients affected Per 1000 catheter days
Aldrete 1998 Noncancer Retrospective 504 2 to 80 days 4 0.8 no data 5 1.0 no data 9 1.8 no data
Cherry 1985 Cancer Prospective 50 4200 0 0.0 0.0 2 4.0 0.5 2 4.0 0.5
Crawford 1983 Cancer (94) and benign (11) pain Retrospective 105 6825 1 1.0 0.1 no data no data
Crul 1991 Cancer Retrospective 110 8650 0 0.0 no data 5 4.5 no data 5 4.5 no data
de Jong 1994 Cancer Retrospective 149 6969 3 2.0 0.4 no data    no data   
Du Pen 1990 Cancer (339) and AIDS (11) Retrospective 350 32354 23 6.6 0.7 30 8.6 0.9 53 15.1 1.6
Erdeine 1991 Cancer Prospective 225 10642 0 0.0 0.0 9 4.0 0.8 9 4.0 0.8
Holt 1995 Mixed Prospective 1000 11901 11 1.1 0.9 53 3.6 3.0 59 5.9 5.0
Maier 1994 Perioperative Retrospective 1621 12540 0 0.0 0.0 46 2.8 3.7 46 2.8 3.7
Plummer 1991 Cancer Retrospective 284 27264 1 0.4 0.0 22 7.7 0.8 23 8.1 0.8
Smitt 1998 Cancer Retrospective 91 4326 12 13.2 2.8 39 42.9 9.0 51 56.0 11.8
Zenz 1985 Cancer Prospective 139 9716 2 1.4 0.2 no data    no data   
Patients in studies reporting the outcome 4628    4235    4235   
Overall result 4628 135387 57 1.23 0.42 211 4.58 1.78 257 6.07 2.35