|
| Instrument | Number of questions | Domains | Scoring |
|
| Generic QoL instrument | | | |
| SF-36 [8–10] | 36 | (i) Physical functioning | Each domain is transformed into a score of 0–100. The scores are then summarised into mental (MCS) and physical components (PCS). Higher score indicates less impaired QoL. |
| (ii) Role limitations due to physical difficulty |
| (iii) Bodily pain |
| (iv) General health |
| (v) Vitality |
| (vi) Social functioning |
| (vii) Role limitations due to emotion |
| (viii) Mental health |
| (ix) Health transition |
| | | |
| NHP [11, 12] | 38 | (i) Energy level | Positive responses in a domain are summed up or weighting items to calculate a score ranging from 0–100. |
| (ii) Emotional reactions |
| (iii) Physical mobility |
| (iv) Pain |
| (v) Social isolation |
| (vi) Sleep |
| | | |
| SIP [13] | 136 | (i) Physical | Scores are calculated per scale, domain, and as an overall score ranging from 0–100. |
| (ii) Psychosocial |
| (iii) Independent categories |
| | | |
| GHQ [14, 15] | 28 | (i) Somatic symptoms | A total score (range: 0–84) or a domain score is obtained by summing up each item. |
| (ii) Anxiety and insomnia |
| (iii) Social dysfunction |
| (iv) Severe depression |
| | | |
| DUKE [16] | 17 | (i) Health |
Score from individual item is summed and transformed to obtain a total score ranging from 0–100. Higher score indicates less impairment to QoL. |
| (ii) Dysfunction |
|
| Dermatology-specific QoL instrument | | | |
| DLQI [17, 18] | 10 | (i) Symptoms and feelings | A total score between 0–30 is obtained by summing the score of each question. Lower score indicates less impaired QoL. |
| (ii) Daily activities |
| (iii) Leisure |
| (iv) Work/school |
| (v) Personal relationships |
| (vi) Treatment |
| | | |
| Skindex [19–21] | 16, 17, 29, 61 | (i) Emotions | Each domain is scored individually with a possible score ranging from 0–100. Lower score indicates less impaired QoL. |
| (ii) Functioning |
| (iii) Symptoms |
| | | |
| DSQL [22, 23] | 52 | (i) Psychosocial | A summary score was calculated by adding all raw scores from each item. |
| (ii) Activities |
| (iii) Symptoms |
| | | |
| DQOLS [24] | 41 | (i) Physical symptoms | The score for each domain is calculated separately, transforming to a score ranging from 0–100. |
| (ii) Daily activities |
| (iii) Social activities |
| (iv) Work/school experience |
| (v) Self perception |
| (vi) SF-36 vitality subscale |
| (vii) SF-36 mental health subscale |
|
