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. Author manuscript; available in PMC: 2016 Jun 1.
Published in final edited form as: J Pain. 2015 Mar 20;16(6):537–548. doi: 10.1016/j.jpain.2015.03.001

Table 1.

Statistics of threshold, tolerance, and pain intensity in the 7 Haifa cohorts separately and combined

Cohort number #1 #2 #3 #4 #5 #6 #7 All combined
n 40 48 62 91 105 109 193 648
% Female 55% 0% 50% 47% 39% 52% 55% 46.30%
Age mean±STD (range) 25.8±4 (20–39) 25.9±4.7 (18–45) 24.2±3.7 (18–35) Currently Missing 26.1±3.6 (18–36) 24.6±2.5 (20–32) 24.6±3.7 (18–47) 25±3.7 (18–47)

Threshold Mean 4.8 5.2 5 7 7.1 7.8 6.3 6.45
Mode 5 2 3 8 4 5 5 5
Median 4.5 4.5 4 6 6 6 5 5
Range 1–11 1–13 1–19 1–24 1–32 1–42 1–31 1–42
Skewness, Kurtosis 0.56, −.31 2.32, 7.58 2.07, 7.88 1.53, 3.14 2.06, 6.19 2.54, 8.28 3.03, 12.53 2.71, 10.9
SW test (P-value) P=0.065 P<0.001 P<0.001 P<0.001 P<0.001 P<0.001 P<0.001 P<0.001
KS test (P-value) P=0.034, P<0.001 P<0.001 P<0.001 P<0.001 P<0.001 P<0.001 P<0.001

Tolerance Mean 55.3 45.1 33.8 52.1 61.4 32.5 39 44.3
Mode 180 25 12 120 180 13 18 180
Median 28.5 26 20.5 37 42 18 29 28
Range 4–180 8–180 6–180 6–180 6–180 2–180 4–180 2–180
Skewness, Kurtosis 1.46, 0.57 2.1, 3.3 2.98, 8.36 1.38, 1.35 1.26, 0.26 2.83, 7.36 2.73, 7.53 2.02, 3.17
SW test (P-value) P<0.001 P<0.001 P<0.001 P<0.001 P<0.001 P<0.001 P<0.001 P<0.001
KS test (P-value) P<0.001 P<0.001 P<0.001 P<0.001 P<0.001 P<0.001 P<0.001 P<0.001

Pain intensity Mean 79.2 90.8 83.4 72.5 88.8 78 74.5 79.5
Mode 100 100 90 56 100 100 95 100
Median 85 95 85 72 95 77 81 83
Range 6–100 40–100 40–100 20–100 28–100 26–100 6–100 6–100
Skewness, Kurtosis −1.31, 1.07 −2.33, 7.37 −0.84, 0.46 −0.44, 0.191 −2.14, 5.04 −0.69, 0.45 −1.3, 1.39 −1.23, 1.58
SW test (P-value) P<0.001 P<0.001 P=0.001 P=0.001 P<0.001 P<0.001 P<0.001 P<0.001
KS test (P-value) P<0.001 P<0.001 P=0.001 P=0.001 P<0.001 P<0.001 P<0.001 P<0.001

SW- Shapiro-Wilk test; KS- Kolmogorov-Smirnov test (KS). Bold p-value represents normal distribution.