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Comparison of the efficacy of the first and second treatment courses between the observation and control groups.
| First course | Second course | ||||
|---|---|---|---|---|---|
| Group | Patients, n | Cure rate, % (n, total n) | Cure time, months | Cure rate, % (n, total n) | Cure time, months |
| Observation | 33 | 33.3 (11/33)a | 3–4 | 100 (33/33)b | 4–9 |
| Control | 22 | 18.2 (4/22) | 3–4 | 100 (22/22) | 4–9 |
Observation vs. control group:
χ2=5.92, P<0.05
χ2=0, P>0.05.
