Table 2.
Experimental pain perception.
| Initial (8–10 weeks postpartum) |
Follow up (24–26 weeks postpartum) |
Protocol 2 (sex differences) |
||||
|---|---|---|---|---|---|---|
| Nulligravid (n = 14) | Postpartum (n = 27) | Nulligravid (n = 14) | Postpartum (n = 26) | Men (n = 16) | Women (n = 19) | |
| Pfannenstiel site PPT (kPa) | 191.5 ± 43.8 | 118.7 ± 50.7* | 178.2 ± 51.5 | 111.5 ± 49.2* | N/A | N/A |
| Baseline nailbed PPT (kPa) | 260.7 ± 69.6 | 188.4 ± 105.6* | 226.1 ± 107.6 | 190.9 ± 106.3 | 317.8 ± 162.2 | 228.2 ± 90.1* |
| Baseline superior rectus abdominis PPT (kPa) | 186.9 ± 84.4 | 125.7 ± 62.7* | 171.9 ± 79.4 | 115.2 ± 54.5* | 217.7 ± 110.4 | 181.5 ± 90.3 |
| Absolute change in PPT at nailbed (kPa) | -2.6 ± 32.9 | 6.3 ± 42.3 | -12.8 ± 31.5 | -10.6 ± 37.4 | -29.8 ± 46.4 | 4.5 ± 27.5* |
| Absolute change in PPT at superior rectus abdominis (kPa) | 27.1 ± 47.0 | 13.4 ± 27.0 | 10.5 ± 35.3 | 16.7 ± 19.4 | 27.9 ± 39.8 | 19.7 ± 41.8 |
| Relative change in PPT at nailbed (%) | -0.6 ± 13.0 | 2.6 ± 24.6 | -5.6 ± 20.1 | -1.8 ± 22.3 | -7.9 ± 17.4 | 0.9 ± 18.7 |
| Relative change in PPT at superior rectus abdominis (%) | 18.7 ± 21.7 | 10.7 ± 19.4 | 7.3 ± 19.0 | 16.6 ± 19.9 | 16.4 ± 20.6 | 13.6 ± 20.6 |
∗Indicates p < 0.05. PPT, Pressure Pain Threshold; kPa, kilopascals; N/A, Not Assessed.