Evidence-Based Complementary and Alternative Medicine / 2014 / Article / Tab 3

Research Article

Continuous Femoral Nerve Block versus Intravenous Patient Controlled Analgesia for Knee Mobility and Long-Term Pain in Patients Receiving Total Knee Replacement: A Randomized Controlled Trial

Table 3

Incidence of chronic postoperative pain after TKA#.

Intention-to-treat analysis
Time pointsGroup CFNB ()Group PCIA () value

3 months— (%)52 (37.1)71 (50.7)0.022*
6 months— (%)36 (25.7)54 (38.5)0.021*
12 months— (%)5 (3.5)9 (6.4)0.273

Per-protocol analysis
Time pointsGroup CFNB ()Group PCIA ()-value

3 months— (%)52 (47.7)71 (68.9)0.002*
6 months— (%)36 (33.0)54 (52.4)0.004*
12 months— (%)5 (4.5)9 (8.7)0.224

Chi-square test was used for comparisons. .

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