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. 2020 Jun 6;23:100392. doi: 10.1016/j.eclinm.2020.100392

Table 2.

The risk of developing a central sensitivity syndrome in those exposed and unexposed to childhood maltreatment.

Childhood maltreatment
Fibromyalgia
Chronic fatigue syndrome
Temporomandibular joint disorder
Chronic lower back pain
Chronic headache
Myofascial pain syndrome
Exposed Unexposed Exposed Unexposed Exposed Unexposed Exposed Unexposed Exposed Unexposed Exposed Unexposed
Number of Patients 80476 161150 80486 160972 80037 159956 80378 161025 80633 161292 80650 161307
Numbers of Outcomes 300 209 88 97 445 787 361 261 21 31 8 16
Person-years 292791 553912 293326 553628 290371 547522 292265 553294 294175 554996 294234 555031
Incidence Rate (per 100000 person years) 102.46 37.73 30.00 17.52 153.25 143.74 123.52 47.17 7.14 5.59 2.72 2.88
Incidence Rate Ratio (95% Confidence intervals)* 2.72 (2.28-3.24) 1.71 (1.28-2.29) 1.07 (0.95-1.20) 2.62 (2.23-3.07) 1.28 (0.73-2.22) 0.94 (0.40-2.20)
P value <0.001 <0.001 0.280 <0.001 0.385 0.893
Adjusted Incidence Rate Ratio (95% Confidence intervals)⁎⁎ 2.06 (1.71 -2.48) 1.47 (1.08-2.00) 1.00 (0.88-1.13) 1.99 (1.68-2.35) 1.04 (0.59-1.86) 0.88 (0.36-2.14)
P value <0.001 0.015 0.953 <0.001 0.888 0.775

Restless leg syndrome
Interstitial cystitis
Vulvodynia
Chronic prostatitis
Irritable bowel syndrome
Exposed Unexposed Exposed Unexposed Exposed Unexposed Exposed Unexposed Exposed Unexposed
Number of Patients 80600 161216 80645 161295 47034 94072 33612 67214 77889 157095
Numbers of Outcomes 149 122 10 15 14 33 <5 9 1750 2643
Person-years 293552 554412 294199 555030 171833 303854 122371 251109 277110 530415
Incidence Rate (per 100000 person years) 50.76 22.01 0.34 0.27 8.15 10.86 1.63 3.58 631.52 498.29
Incidence Rate Ratio (95% Confidence intervals)* 2.30 (1.82-2.93) 1.26 (0.57-2.80) 0.75 (0.40-1.40) 0.46 (0.10-2.11) 1.27 (1.19-1.35)
P value <0.001 0.574 0.368 0.315 <0.001
Adjusted Incidence Rate Ratio (95% Confidence intervals)⁎⁎ 1.82 (1.41-2.35) 1.19 (0.51-2.74) 0.65 (0.34-1.26) 0.34 (0.07-1.77) 1.15 (1.08-1.22)
P value <0.001 0.691 0.203 0.201 <0.001
All somatic syndromes
All visceral syndromes
Exposed Unexposed Exposed Unexposed
Number of Patients 79364 159074 77874 157051
Numbers of Outcomes 1250 1432 1768 2689
Person-years 285536 542495 277014 530210
Incidence Rate (per 100000 person years) 437.77 263.97 638.23 507.16
Incidence Rate Ratio (95% Confidence intervals)* 1.66 (1.54-1.79) 1.26 (1.19-1.34)
P value <0.001 <0.001
Adjusted Incidence Rate Ratio (95% Confidence intervals)⁎⁎ 1.41 (1.31-1.53) 1.14 (1.07-1.22)
P value <0.001 <0.001

Unadjusted incidence rate ratio

⁎⁎

Adjusted Incidence rate ratio: adjusted for age, sex, depression, anxiety, serious mental ill health and Townsend deprivation score at baseline