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Descriptive statistics for PR interval classified for 97 patients
| Repeated measures | Mean (ms) | 95% CI |
||
|---|---|---|---|---|
| Lower bound | Upper bound | |||
| 1 | Preoperative | 176.59 | 163.21 | 188.77 |
| 2 | 5 d postoperative | 180.69 | 168.08 | 193.32 |
| 3 | 6-wk follow-up | 177.35 | 164.17 | 190.53 |
| Repeated-measures analysis of variance for PR interval classified by patient group | ||||
|---|---|---|---|---|
| Effect | Factor | df | F | P |
| Within-subject | Time | 2 | .231 | .795 |
CI, Confidence interval.
