| | Study ID | Interventions | Patients, | Male, (%) | Age, years | Treatment frequency | Main outcomes | Study type |
| | Nepp et al., 1998 [23] | Acupuncture
Artificial tears | 30
22 | NA
NA | NA
NA | Once per week
NA | BUT, SIT, and registration of drop frequency | RCT |
| | Grönlund et al., 2004 [24] | Acupuncture
Artificial tears | 12
13 | 1 (10)
2 (20) | 61 (38–79)
51 (37–75) | Once to twice per week
NA | BUT, SIT, VAS, registration of drop frequency, and questionnaire on symptoms | RCT |
| | He et al., 2004 [25] | Acupuncture | 16 | NA | NA | Once in 2 days, 10 times/course, 3 courses, 10 days’ rest after a course | BUT, SIT, and CFS | RCT | | Artificial tears | 16 | NA | NA | 5 to 6 times one day, for 30 days |
| | Wang et al., 2005 [26] | Acupuncture 1 | 15 | 7 (46.7) | 51.7 (27–75) | Once in 2 days, 10 times/course, 3 courses, 10 days’ rest after a course | BUT, SIT, and CFS | RCT | | Acupuncture 2 | 15 | 5 (33.3) | 51.8 (24–74) | Once in 2 days, 10 times/course, 3 courses, 10 days’ rest after a course | | Artificial tears | 15 | 5 (33.3) | 51.5 (30–73) | 5 times one day, for 30 days |
| | Tseng et al., 2006 [27] | Acupuncture
Artificial tears | 17
9 | 6 (35.3)
6 (66.7) | 47.58 ± 14.88
51.33 ± 20.91 | Twice a week, 2 to 3 day apart, for 8 weeks
NA | BUT, SIT, VAS, Over score of eye condition | RCT |
| |
Shi and Miao, 2012 [5] | Acupuncture
Artificial tears | 33
35 | 14 (42.4)
16 (45.7) | 47.4 ± 12.70
51.4 ± 10.50 | Three times a week, for three weeks
Three to four times per day, for three weeks | BUT, SIT, lactoferrin concentration | RCT |
| | Kim et al., 2012 [28] | Acupuncture
Artificial tears | 75
75 | 22 (41.5)
19 (33.9) | 47.95 ± 11.11
46.05 ± 13.10 | Three times per week, for four weeks
at least once per day, for four weeks | BUT, SIT, VAS, Quality of life | RCT |
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