TABLE 2.
Potential risk factors for postoperative C. albicans infections among case patients and non-case patients, hospital A, 23 and 27 April 1990
| Risk factor | No. (%) of case patients (n = 4) or value | No. (%) of non-case patients (n = 67) or value | RR | 95% CIa | P valueb |
|---|---|---|---|---|---|
| Female sex | 3 (75) | 34 (51) | 0.4 | NS | |
| Preoperative skin preparation | |||||
| Iodine scrub | 3 (75) | 48 (72) | 1.2 | NS | |
| Iodine paint | 4 (100) | 49 (73) | Undefined | >0.3 | NS |
| Shaving | 1 (25) | 5 (8) | 3.6 | NS | |
| Drains | 3 (75) | 14 (21) | 9.5 | 1.1–86 | 0.04 |
| General anesthesia | 4 (100) | 62 (93) | Undefined | >0.6 | NS |
| Anesthetic agent | |||||
| Sufentanil | 0 | 2 (3) | Undefined | 0–64 | NS |
| Fentanil | 1 (25) | 37 (55) | 0.29 | NS | |
| Midazolam | 1 (25) | 29 (43) | 0.46 | NS | |
| Vecuronium | 3 (75) | 16 (24) | 8.21 | NS | |
| Succinylcholine | 2 (50) | 10 (15) | 5 | NS | |
| Propofol administration method | |||||
| Induction | 4 (100) | 47 (70) | Undefined | >0.4 | NS |
| Infusion pump | 3 (75) | 15 (22) | 8.8 | 1–80 | 0.048 |
| Age (yr) | 48.5 ± 20.5 | 44.5 ± 22.3 | |||
| Propofol dose (mg) | |||||
| Induction | 170 ± 47.6 | 138 ± 52.7 | NS | ||
| Total | 327 ± 263.9 | 212 ± 160 | NS | ||
| Maximum 24-h postoperative temp (°F) | 102.3 ± 1.1 | 98.7 ± 1.3 | <0.001 | ||
| Duration | |||||
| Stay (days) | 5.3 ± 5.6 | 3.2 ± 5.7 | NS | ||
| Operation (min) | 277.5 ± 241 | 118.7 ± 103.2 | NS | ||
| In OR (min) | 311.3 ± 243.6 | 163.3 ± 118.3 | NS |
CI, confidence interval.
NS, not significant.