Table 1: Mean + standard deviation sensory test measurements across age groups.

Pain and Sensory Measurement Age Group (years, n = 8 in each group) F P value
20<25 25<30 30<35 35<40 40<45 45<50 50<55
Cold detection threshold (°C) 28.4±1.1 28±1.6 28.4±0.7 27.8±0.9 27.4±0.7 27.5±1.8 27.5±2.6 0.69 0.67
Warm detection threshold (°C) 31.98±1.1 32.5±1.8 32.25±1.1 32.75±1.6 32.7±1 33.2±2.7 32.2±1.3 0.47 0.82
Heat pain threshold (°C) 41.5±2.9 40.7±4 42.6±3.7 42±5.8 43±3.3 42.85±5.2 43.5±3 0.45 0.85
Heat pain tolerance (°C) 47.5±1.76 47.6±2.4 48.35±1.9 47±3 48.55±1 49±1.8 48.3±1.5 0.89 0.51
Pressure pain threshold (KPa) 367.3±211.7 604.8±290.9 690.5±321.6 646.8±392.2 783.9±300.97 698.6±196.8 787.2±178.4 2.10 0.07
Cold pressor pain threshold (s) 10.75±3.8 9.1±5.8 10.9±5.4 12.9±10.6 12.1±3.8 9.25±3.8 9.6±3.6 0.51 0.80
Cold pressor pain tolerance (s) 48.25±29.3 38.75±57.5 29.4±9.6 60.1±73 35.4±15.2 40.5±21.5 61.6±73.6 0.54 0.77
Cold pressor pain intensity (100mm VAS) 65±20 76±15 55±18 67±26 77±07 76±21 60±30 1.44 0.22
Cold pressor pain unpleasantness (100mm VAS) 81±11 74±22 68±23 68±23 75±11 75±09 62±31 0.79 0.58

P values were calculated using one-way ANOVA across groups, *statistically significant at P < 0.05