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The Duration of TFU (N = 62)
| Duration of telephone calls | Time (min.) |
|---|---|
| Mean duration of Call# 1 | 14.46 (± 11.4) |
| Call# 1 range | 1~45 |
| Mean duration of Call #2 | 5.87 (± 5.6) |
| Call #2 range | 1~25 |
| Mean duration of call #1 and #2* | 10.17 (± 4.3) |
Abbreviations: TFU telephone-follow-up, N number, min minutes
* p-value <0.0001 using a paired t-test
