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. 2023 Mar 21;15(3):e36473. doi: 10.7759/cureus.36473

Table 2. Intergroup and intragroup comparison of NDI.

NDI: Neck disability index; DN: Dry needling; TENS: Transcutaneous electrical nerve stimulation; SD: standard deviation. P<0.05 is significant.

NDI Group A Group B unpaired t-test
Mean SD Mean SD t-value p-value
Pre-Procedure 84.24% 2.18% 83.36% 2.14% 1.439 0.157
14th day 8.00% 3.56% 7.76% 2.91% 0.261 0.799
28th day 8.00% 3.56% 7.76% 2.91% 0.261 0.799