Table 2 Clinical manifestations of PHN
From: Alterations of the gut microbiota in patients with postherpetic neuralgia
|  | PHN (n = 27) |
|---|---|
Disease course (month), n (%) | |
 1–3 | 13 (48.15%) |
 4–6 | 4 (14.81%) |
 7–12 | 6 (22.22%) |
 > 12 | 4 (14.81%) |
Location of lesion, n (%) | |
 Face (Trigeminal nerve region) | 1 (3.70%) |
 Neck and upper limbs (Cervical nerve region) | 8 (29.63%) |
 Trunk (Thoracic nerve region) | 16 (59.26%) |
 Buttocks and lower limbs (Lumbar and Sacral nerves region) | 2 (7.41%) |
Preherpetic pain, n (%) | 17 (62.96%) |
Spontaneous pain, n (%) | 25 (92.59%) |
Dynamic mechanical allodynia, n (%) | 16 (59.26%) |
Sensory disturbance, n (%) | |
 Itching | 15 (55.56%) |
 Numbness | 13 (48.15%) |
PHQ-9 (score), n (%) | |
 No depression (0–4) | 10 (37.04%) |
 mild (5–9) | 7 (25.93%) |
 moderate (10–14) | 4 (14.81%) |
 moderate-severe (15–19) | 4 (14.81%) |
 Severe (20–27) | 2 (7.41%) |
GAD-7 (score), n (%) | |
 No anxiety (0–4) | 13 (48.15%) |
 Mild (5–9) | 12 (44.44%) |
 Moderate (10–13) | 0 (0%) |
 Moderate-severe (14–18) | 0 (0%) |
 Severe (19–21) | 2 (7.41%) |
ISI (score), n (%) | |
 Insomnia without clinical significance (0–7) | 6 (22.22%) |
 Subclinical insomnia (8–14) | 16 (59.26%) |
 Clinical insomnia (moderate) (15–21) | 4 (14.81%) |
 Clinical insomnia (severe) (22–28) | 1 (3.70%) |
Cold pain, n (%) | |
 Normal | 10 (37.04%) |
 Hypalgesia | 14 (51.85%) |
 Hyperpathia | 3 (11.11%) |
Heat pain, n (%) | |
 Normal | 15 (55.56%) |
 Hypalgesia | 8 (29.63%) |
 Hyperpathia | 4 (14.81%) |
Pain intensity (NRS 0–10), n (%) | |
 No pain (0) | 1 (3.70%) |
 Mild (1–3) | 12 (44.44%) |
 Moderate (4–6) | 6 (22.22%) |
 Severe (7–10) | 8 (29.63%) |
Itching intensity (NRS 0–10), n (%) | |
 No itching (0) | 9 (33.33%) |
 Mild (1–3) | 12 (44.44%) |
 Moderate (4–6) | 5 (18.52%) |
 Severe (7–10) | 1 (3.70%) |