Table 1.

The number of articles failing to report important LLLT/PBM parameters and information

Information not reported	References	Number articles for LLLT (total = 56)	Percentage (out of 56; %)	Percentage (out of 74 articles; %)	Number of articles for PBM (total = 18)	Percentage (out of 18; %)	Percentage (out of 74 articles; %)
LLLT articles
Light source
Light measurement method	[31–70]	40	71	73
Wavelength	[48, 60]	2	3	3
Source	[44, 54, 61]	3	5	8
Power	[33, 34, 36, 40–42, 45, 48–50, 54, 58, 61–65, 67, 71–74]	22	39	41
Pulse frequency	[33, 34, 36, 40, 42, 43, 45, 46, 48, 50, 51, 54–57, 59, 61–63, 67–70, 72–77]	30	54	52
Beam area	[33, 34, 36, 40, 43, 45, 48–50, 54, 55, 58, 61–64, 67, 71–75, 77, 79]	24	43	41
Irradiation parameters
Irradiance	[31, 32, 38, 40, 43, 48, 51, 54, 55, 57, 58, 60, 62–64, 66, 68, 70, 76, 77, 80]	21	38	43
Exposure time	[40, 50, 58, 61, 64, 70, 71, 74, 80]	9	16	16
Energy (radiant)	[31, 33–36, 40–43, 45–50, 52–55, 58–65, 67–69, 71–75, 79, 81, 82]	40	71	74
Radiant exposure	[38, 40, 49, 52, 54, 55, 63, 80]	8	14	16
Articles with all information present	[83–86]	4	7	5
Photobiomodulation articles
Light source
Light measurement method	[87–99]				14	77	73
Wavelength					0	0	3
Source	[95, 97, 100]				3	17	8
Power	[92, 94–98, 100, 101]				8	44	41
Pulse frequency	[88, 89, 93–98, 100–104]				13	72	52
Beam area	[92, 94, 95, 97, 98, 100]				6	33	41
Irradiation parameters
Irradiance	[87, 89–91, 93, 95, 97, 99, 100, 102, 103]				11	61	43
Exposure time	[90, 93, 102]				3	16	16
Energy (radiant)	[87, 90–98, 100–104]				15	83	74
Radiant exposure	[89, 92, 98, 102]				4	22	16
Articles with all information present					0	0	5