Table 3.
Patient reported NDPH triggers in various published studies
| Reference | Number of NDPH patients | No Triggering factor | Infection or flu-like illness | Stressful life event | Trauma /surgery | Other |
|---|---|---|---|---|---|---|
| Li 2002 [8] | 56 | > 33% | 30% | 12% | 12% | |
| Mack 2004 [12] | 40 (pediatric NDPH) | 5(12%) | 17(43%) | 13(33%) | 5(12%)idiopathic intracranial hypertension, high altitude climbing | |
| Takase 2004 [10] | 30 | 24(80%) | a | 6(20%) | a | |
| Robbins 2010 [15] | 71 | 38(53.5%) | 10(14.1%) | 7(9.9%) | 6(8%)menarche, SSRI withdrawal, HPV vaccination | |
| Peng et. al 2011 [19] | 92 | 65(71%) | 3(3%) | 24(26%) | ||
| Prakash 2012 [16] | 63 | 29(46%) | 18(29%) | 5(8%) | 10(16%) | 9(14%) postpartum, medication overuse |
| Rozen 2016 [17] |
97 Female:65 Male:34 |
51(53%) Female: 52% Male: 53% Mean age:30.4 |
21(22%) Female: 22% Male: 22% Mean age:31.8 |
9(9%) Female: 11% Male: 6% Mean age:28.1 |
9(9%) Female:9% Male:9% Mean age:63.3 |
7(7%) syncope, hormone, toxin and medication, cervical massage |
| Uniyal et. al 2017 [18] | 55 | 35(63.5%) | 10(18%) | 5(9.1%) | 5(9.1%) |
aTakase et al. excluded persistent headache occurred in relation to an infection or flu-like illness and headache after head and neck injury or surgery