Volume 6, Number 4—August 2000
Dispatch
Antibiotic Resistance in Escherichia coli from Nigerian Students, 1986-1998
Iruka N. Okeke, Susan T. Fayinka, and Adebayo Lamikanra
Table
Proportions of universally susceptible and multiply resistant E. coli, Nigeria, 1986-1998
| Year/(no. of isolates) | No. (%) of isolates sensitive to all drugs tested | No. (%) of isolates resistant to 3 drugs | No (%) of isolates resistant to 6 drugs |
|---|---|---|---|
| 1986 (63) | 19 (30.2) | 19 (30.2) | 1 (1.6) |
| 1994 (222)a | 24 (15.4) | 37 (23.7) | 0 (0) |
| 1996 (185) | 34 (18.4) | 105 (56.8) | 6 (3.2) |
| 1998 (132) | 0 (0) | 93 (70.5) | 21 (15.9) |
| Pearson's regression coefficient for trend (p value) | -0.768 (0.232) | 0.960 (0.04) | 0.768 (0.232) |
aStreptomycin was not tested in 1994.
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