“…The HR‐QoL was measured by 16 questions derived from the KHQ. According to the methods used in the study by Okamura et al for people with LUTS, 9,11–13 the revised KHQ for LUTS includes eight domains and 16 items, that is, “general health perceptions” (1 item), “LUTS impact on life” (1 item, general influence of LUTS on life), “role limitations” (2 items, restriction of work or housework), “physical limitations” (2 items, restriction of physical activities or travel), “social limitations” (3 items, restriction of social life, visiting friends, or family life), “personal relationships” (2 items, influence on relationship with partner or sex life), “emotional problems” (3 items, depression, anxiety, or feeling bad about oneself), and “sleep/energy disturbance” (2 items, sleeping or feeling tired). According to the developers' instructions, the possible scores for each domain ranged from 0 (best health) to 100 (worst health) 8 …”